Seiko Cal. 6644 - 240

Seiko 6644-240

The 6644-240 is a sought-after Quartz piece from Seiko's golden era. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-fcd52236870f]

Also known as: Shogun, Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
39mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
36,000 bph
Power Reserve
60 hours
Year
1990

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