Seiko Cal. 4457 - 722

The Seiko 4457-722 represents an important milestone in Seiko's 1985 lineup. Powered by the 4457 caliber with 23j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-f94093d8dfe8]

Also known as: Shogun, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1985

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