Mechanics 8 min read
How an automatic watch works
Your wrist gives it energy. A spring saves it. A tiny balance sets the rhythm. Follow the journey inside an automatic watch, one pencil drawing at a time.
Panerai · Radiomir 1940
Radiomir 1940 3 Days Automatic
Ref. PAM00619
Watch details and strap advice
- Case diameter
- 45 mm
- Case material
- Titanium
- Case shape
- Cushion
- Water resistance
- 30 m
- Movement
- Automatic
- Caliber
- P.4000
- Dial
- Brown
The Panerai Radiomir 1940 3 Days Automatic Titanium / Brown takes a 26 mm strap: measure between the lugs and that is the only number you need. With a 45 mm case and 30 m of water resistance, a thicker strap balances the case. Automatic movement. Most straps here come with quick-release spring bars, so the swap takes a minute and no tool.
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