Seiko Cal. 3888 - 432

This Spring Drive model from 1970 features a 37mm Stainless Steel case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-882471cb46ea]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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