Seiko Cal. 5677 - 371

This Hand-Winding model from 1979 features a 44mm Two-Tone case. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-2e9040a6e4ff]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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