Star Automatic TPD & Winder Settings | Swiss Watch Store
Wondering how to programme your watch winder for the Montblanc Star Automatic? You are in the right place. This model carries reference 102341. It is powered by the Cal. 4810 movement. Below are the correct TPD and rotation-direction figures for this model, so your watch is always ready to wear.
TPD and Winding Direction
The correct setting for the Star Automatic is 650 turns per day, bidirectional: 650 turns per day with the rotor turning in both directions.
| Turns per day (TPD) | 650 |
| Rotation direction | Bidirectional |
| Movement | Cal. 4810 |
Why the Correct Setting Matters
The correct TPD mirrors what your wrist would do naturally across a normal day. It holds the mainspring at a healthy charge so the Star Automatic runs at its best and is ready to wear at a moment's notice — exactly what a watch winder is for.
Don't worry if you're unsure — you can't break a modern automatic with the wrong winder setting; the slipping bridle on the mainspring makes overwinding impossible. The right setting just keeps everything running at its best.
Choosing a Watch Winder for the Star Automatic
The key feature to shop for is programmability: independent TPD and direction controls that cover 650 TPD bidirectional. Single-watch winders are ideal if the Star Automatic flies solo; multi-watch winders make sense the moment you own two or more automatics. Our watch winder collection covers both.
Star Automatic Winder FAQs
What's the correct TPD setting for the Star Automatic?
The Star Automatic is specified at 650 turns per day. Most programmable winders offer this as a standard preset.
Which winding direction should I use?
Bidirectional — the winder should rotate in both clockwise and anticlockwise directions.
Can I use any watch winder for my Star Automatic?
Yes — provided it's programmable. Verify the winder offers 650 turns per day with bidirectional rotation before buying; fixed-setting winders may not match.