Seiko Cal. 6690 - 881

The Seiko 6690-881 represents an important milestone in Seiko's 1994 lineup. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-509511bbed8e]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1994

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