Seiko Cal. 3815 - 370

This Hand-Winding model from 1980 features a 40mm PVD Black case. Powered by the 3815 caliber with 24j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-29c94cb76faa]

Also known as: Shogun, Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1980

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