Seiko Cal. 4537 - 302

This Automatic model from 1973 features a 41mm PVD Black case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-babf9055af96]

Also known as: Sumo, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1973

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