Seiko Cal. 6650 - 447

Released in 1984, the Cal. 6650 with design code 447 was part of Seiko's domestic market collection. Powered by the 6650 caliber with 23j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-4d315e07ede2]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Champagne

Jewels

23j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1984

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