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gmt watches

Seiko 5 GMT SSK033, SSK035 and SSK036: What’s Different?

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The main difference is the band: the SSK033 and SSK035 come on stainless-steel bracelets, while the SSK036 has a cow-leather band. The SSK035’s listed bracelet length is 215 mm versus 205 mm for the SSK033. Their listed movement, case dimensions and core functions are otherwise the same.

SSK033 vs. SSK035 vs. SSK036

Model Factory band Band measurement shown by Seiko Case dimensions Lug distance
SSK033 Stainless-steel bracelet; three-fold clasp with push-button release and secure lock 205 mm 42.5 mm diameter; 46.0 mm lug-to-lug; 13.6 mm thick 22 mm
SSK035 Stainless-steel bracelet; three-fold clasp with push-button release and secure lock 215 mm 42.5 mm diameter; 46.0 mm lug-to-lug; 13.6 mm thick 22 mm
SSK036 Cow-leather band Seiko’s page shows 205 mm in a field labeled “Bracelet Length”; it is not a confirmed bracelet measurement 42.5 mm diameter; 46.0 mm lug-to-lug; 13.6 mm thick 22 mm

These measurements and band details are from Seiko’s official SSK033, SSK035 and SSK036 listings, accessed in 2026. The SSK035 page is for Sweden; the other two links are U.S. pages.

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What the three watches have in common

All three are Seiko 5 Sports SKX-series GMT watches with an automatic 4R34 movement that can also be wound manually. Seiko lists a 24-hour hand for dual-time display, a date display, stop-seconds, and a rotating 24-hour bezel. The listed power reserve is approximately 41 hours, and the movement has 24 jewels.

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Each model has a stainless-steel case, Hardlex crystal with magnified glass, LumiBrite on the hands and indices, a see-through screw case back, 10 bar water resistance and 4,800 A/m magnetic resistance. These are manufacturer-listed specifications, not independent performance test results.

#1 Best Overall
SEIKO SSK001 Automatic Watch for Men - 5 Sports GMT, SKX Series - Blue
  • BLUE DIAL: this handsome men’s watch features a striking deep blue dial with luminous dial indicator hands and markers and date calendar to keep you organized
  • BLUE & BLACK BEZEL: with a 24-hour bezel and easy-to-read fourth hand, this GMT watch helps you keep time as you travel
  • DURABLE UTILITY: these versatile men’s wrist watches feature a 42.5mm stainless steel watch case and bracelet, for a classic, timeless look.
  • WATER-RESISTANT: this rugged sports watch is water-resistant up to 100 meters
  • 4R34 CALIBER: equipped with the reliable 4R34 caliber, these automatic watches for men ensure the most accurate in self winding timekeeping, with 41 hours of reserve power and manual winding option

Because the official specifications give them the same movement and core functions, they do not establish a performance-based reason to rank one above the others. The confirmed practical distinctions are the band material and the bracelet-length figures for the two bracelet models.

Which one should you choose?

Choose the SSK033 for its steel bracelet and 205 mm listing

The SSK033 is the steel-bracelet option with a listed bracelet length of 205 mm. Check the fit against your wrist and the seller’s exact listing if bracelet sizing is important to you.

Choose the SSK035 for its steel bracelet and 215 mm listing

The SSK035 has the same listed case dimensions and core specifications, but Seiko lists its bracelet length as 215 mm. That figure distinguishes it from the SSK033 listing; it does not, by itself, guarantee a particular fit.

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Rank #2
Seiko 5 Sports Field GMT "Sports Style" Mechanical Automatic Winding (Hand Winding Included) Men's, Case: Silver / Dial: White, Bracelet Type
  • Comes with individual box
  • 24 hour hand (dual time display function)
  • Day difference + 45 to -35 seconds
  • Mechanical automatic movement (with hand winding)
  • Lasts approximately 41 hours on maximum winding

Choose the SSK036 if you want leather

Seiko identifies the SSK036’s factory band as cow leather. Although its page displays 205 mm in a field labeled “Bracelet Length,” that label does not establish the leather band’s usable length as a bracelet measurement.

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What strap size fits the Seiko SSK033?

Seiko lists a 22 mm lug distance for the SSK033, as it does for the SSK035 and SSK036. That is a useful starting point when shopping for a replacement strap, but width alone does not guarantee compatibility. Confirm the attachment dimensions and fit for the specific strap or bracelet, including any end-link details, before buying.

Prices depend on the regional listing

When accessed in 2026, Seiko’s U.S. SSK033 page displayed USD 495.00, its Sweden SSK035 page displayed SEK 6,498.00, and its U.S. SSK036 page displayed USD 475.00. These are region-specific displayed prices that may change, not a like-for-like comparison: the SSK035 figure is in Swedish kronor, while the other two are U.S. dollar listings.

Quick Recap

Bestseller No. 1
SEIKO SSK001 Automatic Watch for Men - 5 Sports GMT, SKX Series - Blue
SEIKO SSK001 Automatic Watch for Men - 5 Sports GMT, SKX Series - Blue
WATER-RESISTANT: this rugged sports watch is water-resistant up to 100 meters
$495.00
Bestseller No. 2
Seiko 5 Sports Field GMT 'Sports Style' Mechanical Automatic Winding (Hand Winding Included) Men's, Case: Silver / Dial: White, Bracelet Type
Seiko 5 Sports Field GMT "Sports Style" Mechanical Automatic Winding (Hand Winding Included) Men's, Case: Silver / Dial: White, Bracelet Type
Comes with individual box; 24 hour hand (dual time display function); Day difference + 45 to -35 seconds
$689.45

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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gmt watchesSeikoSeiko 5 SportsSSK033SSK035SSK036

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