Seiko Cal. 5631 - 473

This Automatic model from 1988 features a 46mm Stainless Steel case. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-d69f51cce3ac]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1988

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