Seiko Cal. 6644 - 980

Seiko 6644-980

The 6644-980 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6644 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-2694bda296d5]

Also known as: Arnie

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.5mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Burgundy
Jewels
31j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1999

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