Seiko Cal. 3813 - 938

This Spring Drive model from 1970 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-c52b965ca44f]

Also known as: Shogun, Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1970

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