Seiko Cal. 3871 - 802

This Quartz model from 1980 features a 39mm Gold-Plated case. Powered by the 3871 caliber with 35j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-e3fec8fee14b]

Also known as: Sumo, World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1980

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