Seiko Cal. 6690 - 861

The Seiko 6690-861 represents an important milestone in Seiko's 1980 lineup. It features a Cream dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-a51bff2ef652]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1980

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