Seiko Cal. 3874 - 345

The Seiko 3874-345 represents an important milestone in Seiko's 1987 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1cd5ad13a453]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1987

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