Seiko Cal. 6689 - 170

This Hand-Winding model from 1979 features a 41mm PVD Black case. Powered by the 6689 caliber with 19j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-a317aa7e7bfa]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1979

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