Seiko Cal. 5693 - 596

This Spring Drive model from 1981 features a 38mm Hardlex-Coated Steel case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-83974c50372f]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1981

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