Current Production
Prospex Automatic Diver
SEIKO SRPF03
MSRP
$550 USD
Verified Aug 18, 2026
Case diameter44 mm
Thickness13.4 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
DialBlack
Bracelet or strapStainless steel bracelet
Specifications as published by Seiko →
Last verified Aug 18, 2026