Seiko Cal. 6377 - 227

The Seiko 6377-227 represents an important milestone in Seiko's 1967 lineup. Powered by the 6377 caliber with 35j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-91c74807d169]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1967

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