Seiko Cal. 6643 - 570

Seiko 6643-570

The 6643-570 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-0698523cf082]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1965

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