Specifications
Value · source- Production start year
- unknown
- no source
- Production end year
- unknown
- no source
- Retail price
- unknown
- no source
Fit & dimensions
Value · source- Lug width (mm)
- unknown
- no source
- Caseback
- unknown
- no source
Calibers
- Jewels
- unknown
- no source
- Frequency (vph)
- unknown
- no source
- Power reserve (hours)
- unknown
- no source
- Winding
- unknown
- no source
Variants
EFS-S660D-1A
- Dial color
- unknown
- no source
- Bezel
- unknown
- no source
Frequently asked questions
What size is the Casio EFS-S660D?
The Casio EFS-S660D measures 38.3 mm in diameter (source: manufacturer).
What movement does the Casio EFS-S660D use?
The Casio EFS-S660D uses a solar movement (source: manufacturer).
Which caliber is in the Casio EFS-S660D?
The Casio EFS-S660D is listed with the Casio 5334 caliber.
What is the Casio EFS-S660D case made of?
The Casio EFS-S660D has a stainless steel case (source: manufacturer).
Is the Casio EFS-S660D still in production?
Yes. The Casio EFS-S660D is listed as current (source: manufacturer).