Seiko Cal. 6371 - 418

The Seiko 6371-418 represents an important milestone in Seiko's 1974 lineup. Powered by the 6371 caliber with 23j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-b1e2ce0354f1]

Also known as: Monster, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1974

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