Seiko Cal. 7039 - 178

The Seiko 7039-178 represents an important milestone in Seiko's 1981 lineup. Powered by the 7039 caliber with 17j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-e7c005402c5c]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1981

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