Seiko Cal. 3878 - 740

The Seiko 3878-740 represents an important milestone in Seiko's 1977 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-15027f0277c7]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1977

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