The Seiko 5 Sports DENHAM SRPL35 is a 2,000-piece collaboration built on the SKX series, with denim-inspired indigo details and a DENHAM-marked inverted 12 o’clock triangle. Its official specifications include Seiko’s 4R36 automatic/manual-winding movement, a 42.5 mm case, and 10 bar water resistance. The available product information documents its design and specifications, but does not establish hands-on testing or personal wear impressions.
What the Seiko 5 Sports DENHAM SRPL35 is
Seiko describes the SRPL35 as the “Seiko 5 Sports DENHAM Limited Edition,” created with premium denim brand DENHAM and based on the SKX series. Seiko’s UK product page calls it a Seiko Boutique exclusive and lists an edition of 2,000 pieces. The official product imagery also uses the reference SRPL35K1. Seiko’s UK SRPL35 product page
How the denim theme appears in the design
The “Jeanmaker’s Watch” idea is expressed through different shades of indigo across the bezel, dial, and nylon strap. Instead of the usual SKX-style upright triangle at 12 o’clock, the index is an equilateral triangle turned upside down and printed with DENHAM branding. A red seconds hand references DENHAM’s red denim rivets, while the dial ring and strap details evoke denim stitching. Seiko’s UK SRPL35 product page
The transparent screw case back displays DENHAM’s scissors logo, “THE TRUTH IS IN THE DETAILS,” the limited-edition marking, and an engraved serial number. The special box repeats the logo and phrase. Seiko presents “The Truth is in the Details” as part of DENHAM’s philosophy. Seiko USA’s DENHAM announcement
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#1 Best Overall
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SRPL35K1 specifications
| Specification | Official listing |
|---|---|
| Reference | SRPL35 / SRPL35K1 |
| Movement | Caliber 4R36; automatic with manual winding |
| Power reserve | Approximately 41 hours |
| Jewels and functions | 24 jewels; stop-seconds; day/date display |
| Case | Stainless steel |
| Dimensions | 42.5 mm diameter; 46.0 mm lug-to-lug; 13.4 mm thick |
| Crystal | Curved Hardlex |
| Luminescence | LumiBrite on hands and indices |
| Band and lug width | Nylon band; 22 mm between lugs |
| Water resistance | 10 bar |
| Magnetic resistance | 4,800 A/m |
| Weight | 95.0 g |
| Other features | Unidirectional rotating bezel; see-through screw case back; engraved serial number and limited-edition marking |
These are Seiko’s published specifications, not independent measurements. The 22 mm figure is the width between the lugs; it does not establish that a particular replacement strap will fit, since strap-end and hardware dimensions can differ. Seiko’s UK SRPL35 product page
Fit and everyday-use considerations
The published measurements give a practical starting point for judging fit: the case is 42.5 mm across and 46.0 mm from lug to lug, with a thickness of 13.4 mm and a listed weight of 95.0 g. Those figures describe the watch but cannot predict how it will sit on an individual wrist. The nylon band is 22 mm wide at the lugs, and the 10 bar water-resistance rating is Seiko’s stated specification; the product information does not establish performance from independent testing.
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The 4R36 provides automatic winding with manual winding, stop-seconds, and day/date display, with an approximately 41-hour power reserve. That is the maker’s stated reserve rather than a measured result for an individual watch. Seiko also lists a unidirectional rotating bezel and curved Hardlex crystal. Seiko’s UK SRPL35 product page
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Regional listed prices
Seiko’s regional pages show different local prices. These are official listed prices on the cited pages, not a current market survey, confirmation of stock, or resale values.
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| Region and source | Listed price |
|---|---|
| United Kingdom — Seiko product page | GBP 390.00 |
| United States — Seiko USA press/product page | $430 |
| United Kingdom — Seiko Boutique specification sheet | £390 including VAT |
The Seiko Boutique UK sheet also lists an accuracy range of -35/+45 seconds per day. That is the published range on that sheet, not a result from testing this watch. The official pages cited here do not provide a clear original publication date for the product listing, so no exact release date is assigned. Seiko UK product page; Seiko USA page
Quick Recap
Best Value
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Rank #4
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