Seiko Cal. 4531 - 672

This Quartz model from 1977 features a 39mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-005430c180f8]

Also known as: Sumo, Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1977

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