Seiko Cal. 6644 - 848

Seiko 6644-848

This Hand-Winding model from 1999 features a 37mm PVD Black case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-bcff4c6bd79d]

Also known as: Sumo, Silverwave

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
37mm
Case Thickness
15.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1999

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