Seiko Cal. 6637 - 599

The Seiko 6637-599 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-1ecbdf8cefc5]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1982

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