Seiko Cal. 7087 - 639

The Seiko 7087-639 represents an important milestone in Seiko's 1987 lineup. Powered by the 7087 caliber with 18j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-fbf9372aca1f]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1987

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