Seiko Cal. 6634 - 939

The 6634-939 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-68ca0dbdd30e]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1973

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