Seiko Cal. 5287 - 770

The Seiko 5287-770 represents an important milestone in Seiko's 1986 lineup. Powered by the 5287 caliber with 17j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-9e9f4d1f6c36]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1986

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