Seiko Cal. 6644 - 708

Seiko 6644-708

The Seiko 6644-708 represents an important milestone in Seiko's 1989 lineup. Powered by the 6644 caliber with 29j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-d810f1f73e1a]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
45mm
Case Thickness
14.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Silver
Jewels
29j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1989

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