Seiko Cal. 5693 - 147

This Spring Drive model from 1976 features a 37mm Titanium case. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-ab99bdd87fb4]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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