Seiko Cal. 6644 - 867

Seiko 6644-867

The 6644-867 is a sought-after Solar piece from Seiko's golden era. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-59e6ce88b0d3]

Also known as: Rally, Silverwave

Specifications

Movement
Solar
Case Material
Titanium
Case Width
40mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1999

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