Seiko Cal. 4425 - 672

The Seiko 4425-672 represents an important milestone in Seiko's 1978 lineup. Powered by the 4425 caliber with 30j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-698eac25b3d7]

Also known as: Bullhead, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1978

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