Seiko Cal. 6644 - 632

Seiko 6644-632

The Seiko 6644-632 represents an important milestone in Seiko's 1969 lineup. Powered by the 6644 caliber with 26j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-455be0a00761]

Also known as: Rally, Arnie

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Green
Jewels
26j
Frequency
28,800 bph
Power Reserve
63 hours
Year
1969

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