Seiko Cal. 6233 - 143

This Spring Drive model from 1966 features a 37mm Hardlex-Coated Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-17866404d48e]

Also known as: Panda, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

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