Seiko Cal. 5631 - 109

This Automatic model from 1992 features a 37mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-d79ced80ba7a]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1992

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