Seiko Cal. 6650 - 666

The 6650-666 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6650 caliber with 31j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-edbb0ea235f9]

Also known as: Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1984

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