Seiko Cal. 6138 - 876

This Hand-Winding model from 1970 features a 43mm Stainless Steel case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-781e2169e8ee]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1970

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