Seiko Cal. 4557 - 917

The Seiko 4557-917 represents an important milestone in Seiko's 1987 lineup. Powered by the 4557 caliber with 34j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-178aefea83af]

Also known as: Bellmatic, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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