Seiko Cal. 4427 - 244

The Seiko 4427-244 represents an important milestone in Seiko's 1973 lineup. Powered by the 4427 caliber with 30j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-da3907f31c2e]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1973

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