Seiko Cal. 5233 - 291

This Spring Drive model from 1975 features a 39mm Hardlex-Coated Steel case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-30a96413e08c]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Burgundy

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

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