Seiko Cal. 5677 - 635

This Automatic model from 1977 features a 37mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-7087e805f58a]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1977

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