Seiko Cal. 6643 - 763

Seiko 6643-763

Released in 1995, the Cal. 6643 with design code 763 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-2402b98ed237]

Also known as: Panda

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Burgundy
Jewels
32j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1995

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