Seiko Cal. 4531 - 191

This Spring Drive model from 1982 features a 43mm Titanium case. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-08d0a69e6cc7]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1982

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