Seiko Cal. 5287 - 627

The Seiko 5287-627 represents an important milestone in Seiko's 1970 lineup. Powered by the 5287 caliber with 33j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f1e9cf13fcd7]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1970

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