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Google Pixel Watch 4: Two Sizes, Four Case Colors, and Every Band Option Explained

The Pixel Watch 4 is sold in 41mm and 45mm sizes. Here are every listed case-and-band colorway, included Active Band sizes, replacement-band options, compatibility rules and practical buying advice.

By WatchRanker Team 5 min read
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Yes—the Pixel Watch 4 is available in two case sizes: 41mm and 45mm. Google lists four case finishes but five launch case-and-band combinations, because Polished Silver is sold with either Iris or Porcelain bands. The box includes an Active Band with both small and large sections; leather, metal, stretch and other styles are optional purchases. U.S. Google Store pricing listed the 41mm model from $349.99 and the 45mm model from $399.99 as of August 18, 2026.

The critical buying detail is compatibility: Pixel Watch bands are size-specific. Check that a replacement listing explicitly supports your 41mm or 45mm watch before ordering.

Pixel Watch 4 sizes at a glance

Both models use the same basic platform and feature set, but the 45mm version is heavier, has a larger battery and display, and lasts longer on Google’s estimates. The 41mm model is the smaller, lighter choice.

Specification Pixel Watch 4 41mm Pixel Watch 4 45mm
Case diameter 41mm 45mm
Case height 12.3mm 12.3mm
Weight without band 31.0g 36.7g
Typical battery capacity 325mAh 455mAh
Battery with always-on display Up to 30 hours Up to 40 hours
Battery Saver estimate Up to 48 hours Up to 72 hours
Google-listed wrist range 130–210mm 150–215mm
U.S. starting price From $349.99 From $399.99

Specifications and prices are from Google’s U.S. Store pages: Pixel Watch 4 technical specifications and the configuration page. Battery figures are manufacturer “up to” estimates; always-on display, LTE, GPS, workouts, notifications, temperature and continuous health tracking can reduce runtime.

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#1 Best Overall
Spigen for Google Pixel Watch 5/4 45mm Band Case with Charger Stand
  • Rugged design: Unibody case with unique carbon fiber accents absorbs shock, keeping your watch safe from bumps and scratches
  • Charger stand included: Includes a charger stand for easy charging without taking off the case
  • Protection around the clock: Raised edges around the bezel protect the display
  • Easy to install and adjust: Easily attaches to your watch, and the adjustable band fits most wrists.
  • Only compatible with Pixel Watch 5, 4 45mm (2026/2025). Not compatible with Pixel Watch 3 45mm. Fits 5.5 inch to 8.4 inch (140mm - 215mm) wrists.

Four case finishes, five listed colorways

“Four colors” refers to the aluminum case finishes, not four complete retail combinations. Google’s specifications list five case-and-band launch combinations:

Case finish Bundled band color Size availability shown by Google
Polished Silver aluminum Iris 41mm
Champagne Gold aluminum Lemongrass 41mm
Satin Moonstone aluminum Moonstone 41mm and 45mm
Polished Silver aluminum Porcelain 41mm and 45mm
Matte Black aluminum Obsidian 41mm and 45mm

The case uses 100% recycled aluminum according to Google’s specification page. Color and stock selections can change by market and date, so confirm the exact size, finish and band combination on the Google Store configuration page at checkout.

Which colors can you get in each size?

  • 41mm: Iris/Polished Silver, Lemongrass/Champagne Gold, Moonstone/Satin Moonstone, Porcelain/Polished Silver and Obsidian/Matte Black are listed.
  • 45mm: Moonstone/Satin Moonstone, Porcelain/Polished Silver and Obsidian/Matte Black are listed.

That makes Champagne Gold with Lemongrass and Polished Silver with Iris 41mm-only combinations in Google’s listed lineup. The case finish and the band color are separate parts of the colorway, so selecting “Silver,” for example, does not identify a single bundled appearance.

What comes in the box?

Every Pixel Watch 4 includes an Active Band. Google supplies both a small and a large band section, rather than making you choose one at purchase.

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Rank #2
Zspoly 5 Pack Stretchy Bands Compatible with Google Pixel Watch 4/5 Band 45mm / Pixel Watch 3 Band 45mm for Women Men, Soft Nylon Breathable Sport Strap for Google Smartwatch 5/4 3 (45mm)
  • 【Compatible Models】5 Pack Soft Nylon Stretchy Stylish Replacement wristband straps. Size: (41mm) for Pixel Watch 5/4/ 3/ 2/ 1 – Compatible with Pixel Watch 4/5 (41mm), Pixel Watch 3 (41mm), Pixel Watch 2, and Pixel Watch 1. Size: (45mm) for Pixel Watch 4/ 3 – Compatible with Pixel Watch 4/5 (45mm) and Pixel Watch 3 (45mm).⚠️ Please carefully check your watch model and size before purchasing. This band is not one-size-fits-all — match your watch size (41&45mm) to the correct version for a perfect fit.
  • 【Precision-Engineered Connector, Secure & Snug Fit】Our connector is developed through countless adjustments and mold tests to ensure a perfectly precise fit Compatible with google pixel watch band models. Specifically designed for pixel watch 4 band, for pixel watch 3 band, and for pixel watch 2 band — no wobbling, no gaps, just a tight, secure lock for peace of mind.
  • 【High Elasticity, Metal Buckle & All-Day Comfort】Made from stretchy nylon, this for pixel watch bands option hugs your wrist comfortably without feeling tight. The premium metal adjusting buckle lets you easily customize the fit for wrists from 5.5in to 9.05in (14cm–23cm). Crafted from soft, skin-friendly, breathable nylon fabric that resists sweat and water, it provides long-lasting comfort whether you're working, exercising, or sleeping.
  • 【Versatile Style & Multiple Color Choices】Available in a variety of rich colors, this band works seamlessly for pixel watch 4 band, for pixel watch 3 band, for pixel watch 2 band, and more. Easily switch up your look to match your outfit or occasion — from workdays and workouts to parties and travel.
  • 【Worry-Free Purchase & Ideal Gift Choice】We stand behind our quality with reliable customer support. Whether you're searching for pixel watch bands as a personal upgrade or a thoughtful gift, this band suits both men and women — perfect for birthdays, holidays, and special moments.
Watch size Included small section Included large section
41mm 130–175mm wrists 165–210mm wrists
45mm 150–185mm wrists 165–215mm wrists

The included Active Band is the standard workout-and-everyday option. Leather, metal, stretch and other sport or lifestyle bands are sold separately; they are not additional bands included in the package.

Official replacement-band choices

Google’s Pixel Watch 4 product page promotes several accessory categories. Choose according to use rather than appearance alone:

Band type Best for Main trade-off
Active Band Workouts and everyday wear Less formal appearance
Sport or performance styles Exercise and heavy sweating Can feel less premium
Stretch bands Sleep and casual wear Not automatically suitable for water or high-intensity exercise
Leather bands Office and formal wear Usually a poor choice for swimming or heavy sweat
Metal bands Dressier outfits Heavier, potentially pricier and less comfortable for sleep

See Google’s Pixel Watch 4 product page for current accessory listings. Check each band’s own care and water guidance; the watch’s water-resistance rating does not make every strap swim-safe.

Will older Pixel Watch bands fit?

Do not assume that every Pixel Watch band fits every generation. Google documents compatibility by model and case size. A band for the 41mm family should not be presumed compatible with the 45mm watch, and a 45mm Pixel Watch 4 band belongs to the larger band system introduced with the 45mm Pixel Watch 3 generation.

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Rank #3
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Maledan Band Compatible with Google Pixel Watch 5 Band/Pixel Watch 4/3 Bands 41mm / Google Watch2/ 1 for Women Men, 3 Pack Soft Elastic Woven Nylon Sport Replacement Strap for PixelWatch Accessories
  • 【Upgraded Connector, Durable & Secure】Come with a high precision and hardness connector, our elastic watch bands can be tightly and seamlessly attached to Google pixel watch 5 41mm 45mm/ Google pixel watch 4/ Google pixel watch 3/ Google pixel watch 2/ Google pixel watch 1. No worry about watch fall-off
  • 【Super Comfortable to Wear】Made from soft and skin-friendly premium nylon fabric, our braided stretchy bands keep you away from skin irritation. Crafted with a weaving process, these pixel watch 4 band 41mm offer a textured feel and are breathable, lightweight, both sweat and water-resistant, providing a long-lasting cozy wearing experience for your wrist
  • 【High Elasticity & Freely Adjustable】Feature a stretchable design, our pixel watch band is snug to the wrist without feeling tight, and easy to slip on and off your wrist. Fully suitable for wearing in daily life, sports, outdoor activities and sleep. With a high-quality metal adjusting buckle, this woven sport band can be easily adjusted to fit a 5.51in-8.66in (14cm-22cm) wrist
  • 【Multiple Colors Available】Maledan braided sport bands for Google pixel/ pixel watch 2 offer a fashionable variety of rich colors, ranging from classic black and starlight to trendy vibrant hues. As a little ornament, our stretchy bands complement your outfits perfectly and are easy to change for every occasion, including daily wear, workdays, workouts, parties, travel, and more
  • 【Worry-Free After-Sales Service】We provide a 12-month guarantee and 24/7 online customer service, prioritizing your satisfaction above all else. Our 3-pack of different color band combinations, suitable for both women and men, make an excellent gift for family and friends on festival such as birthdays, weddings, Valentine's Day, Mother's Day, Father's Day, Christmas, and other special events

Before buying a third-party or older Google band, verify all three items in the listing:

  1. The exact case size: 41mm or 45mm.
  2. The supported Pixel Watch model family.
  3. A return policy in case the connector tolerance or release mechanism is poor.

Google’s compatibility documentation is available through Pixel Watch technical and device specifications. Cheap listings sometimes use incorrect size labels or weak connectors.

Which size should you choose?

Choose 41mm when you want a lighter, less prominent watch

  • Your wrist is near the lower end of Google’s 130–210mm range.
  • You prefer 31.0g before adding the band.
  • You want the lower starting price.
  • You want the 41mm-only Champagne Gold/Lemongrass or Silver/Iris combinations.
  • You accept Google’s shorter battery estimates.

Choose 45mm when display area and endurance matter most

  • Your wrist is approximately 150mm or larger within Google’s 150–215mm range.
  • You want the largest Pixel Watch 4 display and a 455mAh battery.
  • You prefer the Moonstone, Porcelain or Obsidian combinations available in both sizes.
  • You do not mind the additional 5.7g of watch weight and larger footprint.

The wrist ranges overlap. A 45mm watch is not automatically unsuitable for a smaller wrist, but comfort also depends on wrist shape, crown position, band thickness, exercise movement and whether you sleep in the watch. Google’s size-selection guidance describes 41mm as the smaller, lighter choice and 45mm as the larger-case option.

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What is the same on both sizes?

Google lists the same core specifications for both models, including a 320ppi AMOLED LTPO Actua 360 display, 1–60Hz responsive refresh rate, up to 3,000 nits peak brightness, DCI-P3 color, Corning Gorilla Glass 5, Wi-Fi, Bluetooth 6.0, NFC, ultra-wideband and satellite SOS communication on supported configurations. Cellular versions support LTE/UMTS.

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Rank #4
Braided Bands Compatible with Google Pixel Watch 4/3 45mm Bands, Elastic Nylon Breathable Sport Straps for Pixel Watch 4 45mm Band for Men Women - Upgraded Parachute Buckle (Black)
  • Compatible Models: Specifically designed for Google Pixel Watch 5 (45mm)/Pixel Watch 3 (45mm)/ Pixel Watch 4 45mm band. Not for Pixel Watch 2/3/4 (41mm) or any other watch models
  • Upgraded Metal Lugs: No Rattling, No Looseness. Featuring upgraded stainless steel metal lugs, this pixel watch band locks securely into place for a tight, precise fit. It eliminates the rattling and loose connections found in other bands, delivering long-term stability and confidence
  • Unique Parachute Buckle: This braided band for Pixel Watch 3 45mm features an innovative, adjustable parachute-style buckle that allows you to fine-tune the size easily. The band stays securely in place even during intense workouts, offering a snug, reliable fit with a simple, one-time adjustment. It fits wrist sizes from 6.7"-9.3" (170 mm - 235 mm)
  • Ultimate All-Day Comfort: No Skin Irritation. Made from soft, breathable, and lightweight braided nylon, this Pixel Watch 4 45mm sport loop is exceptionally skin-friendly. Say goodbye to uncomfortable sticking or irritation. It's stretchable, washable, and quick-drying for all-day wear, workouts, and sleepUltimate All-Day Comfort: No Skin Irritation. Made from soft, breathable, and lightweight braided nylon, this Pixel 4 45mm sport loop is exceptionally skin-friendly. Say goodbye to uncomfortable sticking or irritation. It's stretchable, washable, and quick-drying for all-day wear, workouts, and sleep
  • Multiple Colors: These Pixel Watch 4 45mm nylon bands are available in a range of popular colors. Personalize your Pixel Watch 3 to match your outfit and express your unique style, whether for casual, sporty, or formal occasions

The watch is rated IP68 and listed for use down to 50 meters underwater. That is not a promise of unlimited diving or that every band can be used in water.

Bluetooth/Wi-Fi or LTE?

Bluetooth/Wi-Fi

Choose this version if you normally carry your phone and mainly need notifications, fitness tracking and connected features nearby. It avoids cellular activation and recurring service charges.

LTE

LTE is useful for calls, messages and connectivity when you leave your phone behind. Carrier support, plan activation and possible recurring fees apply, and cellular use can increase battery consumption. Google shows supported carrier choices and time-limited data promotions on its configuration page; verify eligibility and terms at checkout.

Price, phone requirements and software qualifications

The U.S. Google Store listed the 41mm Pixel Watch 4 from $349.99 and the 45mm from $399.99 as of August 18, 2026. Final pricing depends on size, connectivity, promotions and stock. The specifications page also displayed financing from $29.17 per month with 12-month financing for a listed starting-price selection; that is checkout-dependent, not a universal monthly price.

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Google says the watch works with most phones running Android 11 or newer and requires a Google Account and the Pixel Watch app. It is not an iPhone-compatible smartwatch. Wear OS 6.0 is listed, while personalized Gemini coaching and some deeper health features may require a Google Health Premium membership or have regional, device or account restrictions.

Bottom line

Buy the 41mm Pixel Watch 4 for a lighter fit, the lowest entry price or the 41mm-only colorways. Buy the 45mm for a larger display and Google’s longer battery estimates. In either case, distinguish the four case finishes from the five bundled colorways, remember that the Active Band is the included strap, and match every replacement band to the exact 41mm or 45mm case.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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