Seiko · Prospex Divers

Strap for Prospex Diver Turtle Stainless Steel / Grey / Bracelet / Zimbe

Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.

Lug width22 mm
Case diameter45 mm
ReferenceSRPA19 (aka: SRPA19K1)
FamilyProspex Divers
MovementSeiko caliber 4R36 Hours, Minutes, Seconds | Date, Day
CaseStainless Steel

Spring bar

Swiss Standard universal spring bars

The right category for this model · 316L steel, all lug widths 13–26 mm

Straps for the Prospex Divers SRPA19 (aka: SRPA19K1)

Selected for the 22 mm lug width · workshop selection

All 22 mm straps →

The Prospex Divers SRPA19 (aka: SRPA19K1), seen from the bench

The Prospex Divers SRPA19 features the Seiko 4R36 automatic caliber with hour, minute, second, date and day of the week indications. The watch has 22mm lugs and specific functions for diving activities. The 4R36 movement offers a power reserve of approximately 41 hours.

Frequently asked questions

What is the lug width of the Seiko Prospex Divers SRPA19?

The Seiko Prospex Divers SRPA19 features a lug width of exactly 22mm. This standard measurement ensures compatibility with the entire range of straps manufactured for this size, whether leather, fabric, or rubber.

Which strap is best suited for the Seiko Prospex Divers SRPA19?

Selection depends on intended use and aesthetic preference. For diving and marine environments, we recommend NATO straps in technical fabrics or vulcanised rubber. For formal daily wear, an alligator strap with fine grain or vegetable-tanned calf amplifies the dignity of the 45mm case. Each material tells a different story on the same watch.

How do you change the strap on a Seiko Prospex Divers SRPA19?

Remove the original strap by inserting a spring bar tool beneath the lug to extract the anchoring springs. Position the new strap by aligning the holes with the case pins, then advance the springs until you hear the locking click. The operation takes minutes without requiring specialist skills.

Is an aftermarket strap compatible with the Seiko Prospex Divers SRPA19?

Absolutely. Any strap manufactured for the 22mm lug width is fully compatible with the SRPA19. Milano Straps offers a curated selection of leather, NATO, and rubber straps, all ready to use without requiring modifications.

How long does a leather strap last on a watch like the SRPA19?

A quality leather strap subjected to daily use typically lasts 3 to 5 years before requiring replacement. Frequent exposure to salt water accelerates wear. Vegetable-tanned calf straps age beautifully, developing caramel patina whilst remaining structurally sound. NATO and rubber straps offer superior longevity in harsh environments.

The next step

The right strap isn't chosen. It is built, together.

From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.

Request an appointment →

Casati Milano · Via XX Settembre 15, Milan · by appointment only