Seiko Cal. 6639 - 805

This Automatic model from 1971 features a 46mm Two-Tone case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-9c1ce3aa9829]

Also known as: World Timer, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1971

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