Seiko Cal. 3815 - 399

This Spring Drive model from 1977 features a 41mm Hardlex-Coated Steel case. With its 21mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-ee94723636f0]

Also known as: Samurai, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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