Seiko Cal. 3847 - 566

This Solar model from 1978 features a 37mm PVD Black case. Powered by the 3847 caliber with 21j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-126250efd477]

Also known as: Goldfeather, World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1978

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