Seiko Cal. 5663 - 411

Seiko 5663-411

This Automatic model from 1970 features a 42mm Two-Tone case. Powered by the 5663 caliber with 21j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-cd7916f1d96a]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
42mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
110m
Dial Color
Green
Jewels
21j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1970

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