Seiko Cal. 6650 - 944

The 6650-944 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6650 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-9317a4a60248]

Also known as: Monster, Silverwave

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Burgundy

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1979

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