The Basics

Horological Machine N°1 is a highly innovative and totally original timepiece. HM1 features the world’s first movement with four barrels connected in both parallel and series, as well as the first wristwatch movement to have the energy transmitted to the regulating system from two sources simultaneously. The three-dimensionality of the case and the sophisticated multi-strata of the dial both captivate the eye and challenge the mind. Within that structure beats a movement like no other: 376 parts, 81 functional jewels, 4 mainspring barrels, 7-day power reserve and an elevated central tourbillon. Look deeper and you will discover that Horological Machine N°1 is more than a meticulously hand-crafted work of art, more than an intricate masterpiece of micro-engineering: it is a machine epitomizing the incredible passion and enthusiasm its collective of Friends dedicated to its creation. Dimensions: length 41mm, width 64mm, height 14mm.

Brand: MB&F
Family: Horological Machines
Reference: 10.T41RL.O
Name: Horological Machine N°1 HM1 RS Red Gold
Produced: N/A
Limited: Yes, 10 units

Below is a detailed look at MB&F’s model 10.T41RL.O from Horological Machines watch family, including the price, case details and movement features.

MB&F Horological Machines 10.T41RL.O

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The Details

MB&F’s Horological Machine N°1 HM1 RS Red Gold (10.T41RL.O) was originally released in N/A. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 168-hour power reserve when fully wound.

The Case

The red gold case measures 59mm in diameter and roughly 13mm thick. The round case is paired with a grey color dial with proprietary-shaped hands, and a arabic numerals hour markers and minute track, covered by a sapphire glass. MB&F’s Horological Machines model 10.T41RL.O water resistance is not available. This does not mean this watch is not water resistant. A display caseback is over the back of the watch case.

Material: Red Gold
Glass: Sapphire
Back: Display
Shape: Round
Diameter: 59mm
Height: 13mm
Lug Width: N/Amm
W/R: N/A

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Horological Machines 10.T41RL.O movement is a powered by caliber HM1 made by MB&F. The 81-jewel automatic movement is mm in diameter. Its balance wheel oscillates at 28,800 semi-oscillations per hour or 4 Hz. This movement offers a 168-hour power reserve.

Type: Automatic
Brand: MB&F
Caliber: HM1
Base: N/A
Display: Analog
Diameter: mm
Jewels: 81
Reserve: 168 hours
Frequency: 28800 bph
Time: Hours, Minutes
Additionals: Power Reserve Indicator, Tourbillon Escapement

The Price

How much does the MB&F’s Horological Machines 10.T41RL.O cost? This watch was introduced in N/A and has been in MB&F’s collection for around . This watch is a limited edition with just 10 pieces released. As with most luxury watches, the price of depends on the availability and demand.

CURRENT PRICE: Not Available

For more information, visit MB&F online.


  • Brand: MB&F
  • Model: Horological Machine N°1 HM1 RS Red Gold
  • Reference Number: 10.T41RL.O
  • Limited: Yes, 10 units

Case & Dial:

  • Material: Red Gold
  • Glass: Sapphire
  • Back: Display
  • Diameter: 59
  • Thickness: 13
  • Lug Width: N/A
  • Dial Color: Grey
  • Indexes: Arabic Numerals and Proprietary-shaped hands
  • Water Resistance: N/A meters


  • Winding: Automatic
  • Brand: MB&F
  • Caliber: HM1
  • Display: Analog
  • Diameter: mm
  • Jewels: 81
  • Power Reserve: 168 hours
  • Frequency: 28800 bph
  • Functions: Hours, Minutes

About MB&F

MB&F logo

Maximilian Busser and Friends, normally shortened down to MB&F, is a Swiss watch brand founded by Maximilian Busser in July 2005 and based in Geneva, Switzerland.

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