Seiko Cal. 3878 - 938

This Spring Drive model from 1969 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-566b598295f8]

Also known as: Pogue, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1969

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