Seiko Cal. 6318 - 809

This Spring Drive model from 1974 features a 37mm Stainless Steel case. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-315b1f2cadf5]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1974

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