Seiko Cal. 7138 - 659

This Spring Drive model from 1986 features a 39mm Stainless Steel case. Powered by the 7138 caliber with 17j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-8a81fb84fe77]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1986

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