Seiko Cal. 6643 - 564

Seiko 6643-564

The Seiko 6643-564 represents an important milestone in Seiko's 1999 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-d4d456a12fca]

Also known as: Turtle, Crown

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
44mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
150m
Dial Color
Burgundy
Jewels
24j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1999

Related Models

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