Seiko Cal. 6644 - 570

Seiko 6644-570

The 6644-570 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6644 caliber with 36j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-3f43005a72ba]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
36mm
Case Thickness
8.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Burgundy
Jewels
36j
Frequency
28,800 bph
Power Reserve
54 hours
Year
1984

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