Seiko Cal. 3878 - 796

This Quartz model from 1989 features a 44mm PVD Black case. Powered by the 3878 caliber with 34j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-d9c5d66ab8a7]

Also known as: Tuna, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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