Seiko Cal. 6667 - 387

The Seiko 6667-387 represents an important milestone in Seiko's 1979 lineup. Powered by the 6667 caliber with 22j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-c2bfde14cdf1]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1979

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