Seiko Cal. 7137 - 688

This Hand-Winding model from 1982 features a 39mm Titanium case. With its 21mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-cee4ddc5808d]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

32j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1982

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