Seiko Cal. 5287 - 442

The Seiko 5287-442 represents an important milestone in Seiko's 1968 lineup. Powered by the 5287 caliber with 20j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-481a3e559ce5]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1968

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