Pioneer Cylindrical Automatic Tourbillon Skeleton 42.8mm Steel and Alligator Watch, Ref. No. 3811-1200

A One size is equivalent to a One SizeOne Size
Editor's Notes

H. Moser & Cie.'s considers its handmade watches to be works of art. Fitted on a handsome alligator strap, this skeletonised model highlights the intricate inner workings of its three-dimensional HMC 811 automatic movement, complete with a cylindrical hairspring and one-minute flying tourbillon - an impeccable combination that ensures excellent precision and creates a remarkable display. Time is kept on a smoky blue domed sub-dial that features Super-LumiNova® hands and indices for legibility.

For warranty information, please refer to details & care

Details & Care


  • Swiss-made calibre HMC 811 automatic movement with 72-hour power reserve
  • 28 jewels, 21,600 Vph


  • Hour and minute hands


  • Skeleton dial
  • Small funky blue fumé hour and minute subdial
  • Super-LumiNova® grey and white hands, white indices


  • Satin-finished steel case
  • Crown for time adjustments and manual winding
  • Sapphire glass crystal
  • Exhibition case back
  • Pin-buckle fastening black alligator strap


  • Case diameter: 42.8mm
  • Water resistance: 12 bar
  • Comes in a presentation box
  • Alligator: USA
  • Reference number: 3811-1200

We offer a two-year warranty for all working parts and manufacturing faults for luxury watches. For more information, contact one of our experts by emailing watches@mrporter.com

Delivery and Returns
Find out more about our delivery options. Try items in the comfort of your own home. If they're not quite right, you've got 28 days to request an exchange or return and send them back to us. We'll collect them from your home or office for free.
Product Code 1647597318270742

Returns or Exchanges

Try your purchase in the comfort of your own home and, if it’s not quite right, let us know and we’ll arrange a free collection from your home or office.