Seiko Cal. 3878 - 686

This Kinetic model from 1985 features a 42mm Stainless Steel case. Powered by the 3878 caliber with 25j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-8d59b7689457]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1985

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