Seiko Cal. 6690 - 583

The Seiko 6690-583 represents an important milestone in Seiko's 1985 lineup. Powered by the 6690 caliber with 26j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-750a1524cbd0]

Also known as: Monster, Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

26j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1985

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