Seiko Cal. 3816 - 639

This Solar model from 1987 features a 41mm Two-Tone case. Powered by the 3816 caliber with 34j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-96422e8b0d49]

Also known as: Samurai, Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

41mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1987

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