Seiko Cal. 4531 - 725

This Spring Drive model from 1979 features a 45mm Titanium case. It features a Cream dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-e29f60269513]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1979

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