Seiko Cal. 4532 - 839

This Spring Drive model from 1977 features a 37mm Stainless Steel case. It features a Cream dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-fc62e542c141]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1977

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