Current Production
Prospex Diver
SEIKO SRPL15
MSRP
$575 USD
Verified Aug 18, 2026
Case diameter41.7 mm
Lug-to-lug49.5 mm
Thickness12.3 mm
Case materialStainless steel case with black hard coating
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 strapSilicone strap
Specifications as published by Seiko →
Last verified Aug 18, 2026