Seiko Cal. 6640 - 134

The Seiko 6640-134 represents an important milestone in Seiko's 1986 lineup. Powered by the 6640 caliber with 26j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-e99fbaa53d88]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1986

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