Seiko Cal. 5677 - 738

This Hand-Winding model from 1970 features a 39mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-60bbe0220698]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1970

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