Seiko Cal. 6668 - 939

The 6668-939 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6668 caliber with 29j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-51cadcfc33c6]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1995

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