Seiko Cal. 6649 - 633

Seiko 6649-633

This Hand-Winding model from 1987 features a 46mm Two-Tone case. Powered by the 6649 caliber with 25j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-0f45386a6f1c]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
46mm
Case Thickness
11.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1987

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