Seiko Cal. 7138 - 376

This Spring Drive model from 1970 features a 41mm Titanium case. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-7ea02e2bdc8b]

Also known as: Rally, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1970

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