Seiko Cal. 6643 - 419

The 6643-419 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6643 caliber with 24j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-dcdacd015c96]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1970

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