Seiko Cal. 4417 - 654

This Spring Drive model from 1969 features a 45mm Stainless Steel case. Powered by the 4417 caliber with 31j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-3b89c9a0412f]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1969

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