Mechanics 3 min read
The simple science of quartz watches
Learn how a battery, a tiny crystal and a simple circuit work together to keep your quartz watch running with highly reliable accuracy every day.
Festina
On The Square
Ref. F20677/4
Watch details and strap advice
- Case diameter
- 41 mm
- Case height
- 9 mm
- Case material
- Stainless Steel
- Case shape
- Square
- Water resistance
- 50 m
- Movement
- Quartz
- Caliber
- Miyota Gr12
- Dial
- Black
The Festina On The Square takes a 25 mm strap: measure between the lugs and that is the only number you need. With a 41 mm case and 50 m of water resistance, a strap of medium thickness keeps the balance. Quartz movement. Most straps here come with quick-release spring bars, so the swap takes a minute and no tool.
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