Seiko Cal. 6643 - 376

The 6643-376 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6643 caliber with 33j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-b03e0b5e5fff]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1996

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