Seiko Cal. 6643 - 474

The 6643-474 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6643 caliber with 18j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-afb5361b685b]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1998

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