Seiko Cal. 3863 - 641

This Solar model from 1968 features a 35mm Two-Tone case. Powered by the 3863 caliber with 28j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-0ff5ce6c909c]

Also known as: Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1968

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