Seiko Cal. 4423 - 767

The Seiko 4423-767 represents an important milestone in Seiko's 1976 lineup. Powered by the 4423 caliber with 35j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-bd6b058cb6d6]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1976

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