Seiko Cal. 7078 - 640

The Seiko 7078-640 represents an important milestone in Seiko's 1990 lineup. Powered by the 7078 caliber with 17j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-7e93721243b2]

Also known as: UFO, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1990

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