Seiko Cal. 5683 - 627

This Automatic model from 1974 features a 37mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-aa9ccb0b65a1]

Also known as: Rally, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1974

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