Seiko Cal. 5640 - 768

The Seiko 5640-768 represents an important milestone in Seiko's 1996 lineup. Powered by the 5640 caliber with 17j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-32d59dfec94c]

Also known as: UFO, Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1996

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