Seiko · Prospex Divers
Strap for Seiko Prospex Divers SRPA21
Takes 22 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
Lug width
22mm
Lug width22 mm
Case diameter45 mm
ReferenceSRPA21
FamilyProspex Divers
MovementSeiko caliber 4R36
Hours, Minutes, Seconds | Date, Day
Straps for the Prospex Divers SRPA21
Selected for the 22 mm lug width · workshop selection
Recycled Nylon Military Strap — Grey with Red Stitching€52
Light Blue Recycled Military Strap with Red Stitching€52
Eco Recycled Nylon Military NATO Strap — Green with Green Stitching€52
Recycled Nylon Military NATO Strap — Red and Black Edges€52
Eco-Friendly Recycled Nylon Military NATO Strap — Green with Orange Edges€52
The Prospex Divers SRPA21, seen from the bench
The Seiko Prospex Divers SRPA21 features the automatic Caliber 4R36 with hour, minute, second, date and day indications. The stainless steel case has a diameter of 45mm with 22mm lugs. The movement offers essential functions for professional underwater use.
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