Seiko Cal. 6643 - 278

Seiko 6643-278

The 6643-278 is a sought-after Kinetic piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-0161452827f9]

Also known as: Monster

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
42mm
Case Thickness
8.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Silver
Jewels
31j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1999

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seikata-wm-0161452827f9