Seiko Cal. 6644 - 316

Seiko 6644-316

The 6644-316 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-fa1b998f1394]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
40mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1969

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