Seiko Cal. 6639 - 897

The Seiko 6639-897 represents an important milestone in Seiko's 1973 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-df82e377af4c]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1973

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