Seiko Cal. 5631 - 305

Seiko 5631-305

This Kinetic model from 1997 features a 39mm PVD Black case. Powered by the 5631 caliber with 30j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-6fb794528c46]

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
39mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
White
Jewels
30j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1997

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