Seiko Cal. 3878 - 111

This Quartz model from 1977 features a 42mm PVD Black case. Powered by the 3878 caliber with 23j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-c67504948ce6]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1977

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