Seiko Cal. 4550 - 864

This Spring Drive model from 1972 features a 34mm Gold-Plated case. Powered by the 4550 caliber with 26j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-aeb487f12a4b]

Also known as: World Timer, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1972

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