Seiko Cal. 6643 - 594

Seiko 6643-594

The 6643-594 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-6fa471e31a7b]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1995

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