Seiko Cal. 6650 - 440

The 6650-440 is a sought-after Solar piece from Seiko's golden era. Powered by the 6650 caliber with 34j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-40f37b87ec21]

Also known as: Turtle, Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

37mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1970

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