Seiko Cal. 7137 - 856

This Quartz model from 1978 features a 39mm Titanium case. With its 20mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-953c0fb2fa24]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1978

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