Seiko Cal. 5287 - 139

The Seiko 5287-139 represents an important milestone in Seiko's 1970 lineup. Powered by the 5287 caliber with 23j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-6a3707949879]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

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