Seiko Cal. 6644 - 652

Seiko 6644-652

The 6644-652 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6644 caliber with 20j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-5ae2e6367655]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Black
Jewels
20j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1994

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seikata-wm-5ae2e6367655