Seiko Cal. 6643 - 755

Seiko 6643-755

The 6643-755 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-0e0ba71f5e18]

Also known as: Pogue

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
8.0mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1965

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