Seiko Cal. 5251 - 351

This Spring Drive model from 1967 features a 34mm Hardlex-Coated Steel case. Powered by the 5251 caliber with 32j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-c91a0473a0e8]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1967

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