Current Production
Prospex 1959 Sport Watch Reinterpretation
SEIKO SPB155
MSRP
$725 USD
Verified Aug 18, 2026
Case diameter38 mm
Lug-to-lug46 mm
Thickness12.9 mm
Case materialStainless steel
CrystalCurved sapphire crystal with anti-reflective coating on the inner surface
Water resistance200 m
MovementAutomatic, Caliber 6R35, 21,600 vibrations per hour, 24 jewels, Power reserve: approximately 70 hours
Calibre6R35
Power reserve70 hours
DialGreen
Bracelet or strapStainless steel bracelet
Specifications as published by Seiko →
Last verified Aug 18, 2026