Seiko Cal. 6689 - 595

This Quartz model from 1975 features a 37mm PVD Black case. Powered by the 6689 caliber with 17j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-86f2b0af97ae]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1975

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