Seiko Cal. 6663 - 456

Seiko 6663-456

This Automatic model from 1977 features a 44mm Two-Tone case. Powered by the 6663 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-bcf2773a35b4]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
15.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1977

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