Seiko Cal. 3876 - 855

This Solar model from 1965 features a 45mm PVD Black case. Powered by the 3876 caliber with 21j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-c75c8965b66f]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1965

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