Seiko Cal. 6643 - 505

Released in 1985, the Cal. 6643 with design code 505 was part of Seiko's domestic market collection. Powered by the 6643 caliber with 19j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-c28d342f33bb]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1985

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