Seiko Cal. 5263 - 640

The Seiko 5263-640 represents an important milestone in Seiko's 1990 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ebbfec0bd353]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1990

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