Current Production
Prospex Diver
SEIKO SRPL51
MSRP
$595 USD
Verified Aug 18, 2026
Case diameter41.7 mm
Lug-to-lug49.5 mm
Thickness12.3 mm
Case materialStainless steel
CrystalHardlex crystal
Water resistance200 m
MovementAutomatic, Caliber 4R35, 21,600 vibrations per hour, 23 jewels, Power reserve: approximately 41 hours
Calibre4R35
Power reserve41 hours
DialBlue
Bracelet or strapStainless steel bracelet
Specifications as published by Seiko →
Last verified Aug 18, 2026