Seiko Cal. 5683 - 651

This Hand-Winding model from 1978 features a 37mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-011725df7626]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1978

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