Seiko Cal. 6639 - 781

The Seiko 6639-781 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-0cdbecd012e2]

Also known as: Pogue, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1997

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