Seiko Cal. 6689 - 555

This Hand-Winding model from 1971 features a 45mm Hardlex-Coated Steel case. Powered by the 6689 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-651969af4fcb]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1971

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