Seiko Cal. 6644 - 472

Seiko 6644-472

The 6644-472 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6644 caliber with 18j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-064b913a6e89]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
10.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
Silver
Jewels
18j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1976

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