Seiko Cal. 3847 - 648

This Solar model from 1978 features a 39mm PVD Black case. Powered by the 3847 caliber with 20j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-70576b6a1ca6]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1978

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