Seiko Cal. 6639 - 267

The Seiko 6639-267 represents an important milestone in Seiko's 1970 lineup. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-957ad609a7bd]

Also known as: UFO, Flighty

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1970

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