Seiko Cal. 6644 - 565

Seiko 6644-565

The 6644-565 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-56e5b7dde810]

Also known as: Sumo

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1988

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seikata-wm-56e5b7dde810