Seiko Cal. 4451 - 171

The Seiko 4451-171 represents an important milestone in Seiko's 1973 lineup. Powered by the 4451 caliber with 21j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-608f7b9c48b9]

Also known as: Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1973

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