Seiko Cal. 5289 - 439

The Seiko 5289-439 represents an important milestone in Seiko's 1978 lineup. Powered by the 5289 caliber with 28j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-2075d408e895]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

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