Seiko Cal. 6643 - 414

The Seiko 6643-414 represents an important milestone in Seiko's 1999 lineup. Powered by the 6643 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-0c938461d243]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1999

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