Seiko Cal. 3863 - 843

This Solar model from 1975 features a 42mm PVD Black case. Powered by the 3863 caliber with 36j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-c9a2f8882587]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1975

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