Seiko Cal. 7138 - 591

This Spring Drive model from 1995 features a 38mm Stainless Steel case. With its 19mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-4ee3846f562e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1995

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