Seiko Cal. 3815 - 319

This Spring Drive model from 1970 features a 43mm Hardlex-Coated Steel case. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-36f86818d8cd]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1970

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