Seiko Cal. 5639 - 338

The Seiko 5639-338 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-71fd0b0e1b19]

Also known as: UFO, Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1980

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