Seiko Cal. 6689 - 645

The 6689-645 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-f6db5bfbf83e]

Also known as: Panda, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1973

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