Seiko Cal. 5687 - 629

This Hand-Winding model from 1970 features a 38mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-3471e89b5d11]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1970

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