Seiko Cal. 5287 - 428

This Hand-Winding model from 1969 features a 34mm Hardlex-Coated Steel case. Powered by the 5287 caliber with 30j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-22b2acba5631]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1969

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