Seiko Cal. 3878 - 600

This Kinetic model from 1981 features a 40mm Hardlex-Coated Steel case. Powered by the 3878 caliber with 31j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-3250095ee84a]

Also known as: Bullhead, Navigator

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1981

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