Seiko Cal. 0712 - 639

This Hand-Winding model from 1988 features a 39mm Hardlex-Coated Steel case. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-722cc509faf7]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1988

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