Seiko Cal. 4542 - 974

This Spring Drive model from 1984 features a 41mm PVD Black case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-287d1a8412f9]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1984

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