Seiko Cal. 5231 - 925

This Hand-Winding model from 1967 features a 38mm Two-Tone case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-26da4ce5b2fc]

Also known as: Monster, Shogun

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1967

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