Seiko Cal. 6689 - 729

This Spring Drive model from 1973 features a 45mm PVD Black case. Powered by the 6689 caliber with 22j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-3c62713b80f9]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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