Seiko Cal. 6643 - 924

The 6643-924 is a sought-after Solar piece from Seiko's golden era. Powered by the 6643 caliber with 17j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-c725931c06a2]

Also known as: Samurai, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1994

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