Technical Archive

Seiko
Prospex Divers SRPA21— lug 22mm

Seiko Prospex Divers SRPA21 da 45mm con ansa 22mm. Cinturini cuoio, NATO, gomma compatibili. Consulenza artigianale Seiko.

Seiko Prospex Divers SRPA21

Artisanal Note

"The 45 case requires a precise 22mm lug width to preserve the original sartorial balance."

Technical Specifications

Seiko SRPA21
Lug Width
22 mm

The essential strap measurement.

Browse 22mm straps →
Case Size
45 mm
Reference

SRPA21

Movement

Seiko caliber 4R36 Hours, Minutes, Seconds | Date, Day

The Heritage

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.