Seiko Cal. 5287 - 687

The Seiko 5287-687 represents an important milestone in Seiko's 1971 lineup. Powered by the 5287 caliber with 36j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-1d2f2783d1de]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1971

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