Seiko Cal. 3879 - 240

This Spring Drive model from 1968 features a 38mm Titanium case. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-ffd050ed7f00]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1968

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