Seiko Cal. 3813 - 569

This Solar model from 1985 features a 37mm PVD Black case. Powered by the 3813 caliber with 30j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-139a310e61cf]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1985

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