Seiko Cal. 4451 - 746

The Seiko 4451-746 represents an important milestone in Seiko's 1966 lineup. Powered by the 4451 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-ee28bdf4f98d]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1966

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