The Basics
The MB&F Horological Machine N°8 Moonmachine 2 was introduced at SIHH 2018 as a the second cooperation between MB&F and independent Finnish watchmaker Stepan Sarpaneva. It is based on the HM8 platform, to which a moonphase is added – projected via an optical prism, just like the hours and minutes. Reference 81.RTL.B has a titanium and red gold case.
| Brand: | MB&F |
| Family: | Horological Machines |
| Reference: | 81.RTL.B |
| Name: | Horological Machine N°8 HM8 Moonmachine 2 Red Gold |
| Produced: | 2018 |
| Limited: | Yes, 12 units |
Below is a detailed look at MB&F’s model 81.RTL.B from Horological Machines watch family, including the price, case details and movement features.
The Details
MB&F’s Horological Machine N°8 HM8 Moonmachine 2 Red Gold (81.RTL.B) was originally released in 2018. This watch features a automatic movement beating at a frequency of 28800 bph ( 4 Hz) to provide a 42-hour power reserve when fully wound.
The Case
The titanium, red gold case measures 49mm in diameter and roughly 19.5mm thick. The round case is paired with a black 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 81.RTL.B is water resistant up to 30 meters (98 ft). A display caseback is over the back of the watch case.
| Material: | Titanium, Red Gold |
| Glass: | Sapphire |
| Back: | Display |
| Shape: | Round |
| Diameter: | 49mm |
| Height: | 19.5mm |
| Lug Width: | N/Amm |
| W/R: | 30 |
Case Diameter
Case Thickness
Lug Width
Water Resistance
The Movement
The Horological Machines 81.RTL.B movement is a powered by caliber HM8 Moonmachine made by MB&F. The 30-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 42-hour power reserve.
| Type: | Automatic |
| Brand: | MB&F |
| Caliber: | HM8 Moonmachine |
| Base: | Girard-Perregaux GP03300 |
| Display: | Analog |
| Diameter: | mm |
| Jewels: | 30 |
| Reserve: | 42 hours |
| Frequency: | 28800 bph |
| Time: | Minutes, Jumping Hours |
| Chronograph: | |
| Additionals: |
The Price
How much does the MB&F’s Horological Machines 81.RTL.B cost? This watch was introduced in 2018 and has been in MB&F’s collection for around . This watch is a limited edition with just 12 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.
Specifications:
- Brand: MB&F
- Model: Horological Machine N°8 HM8 Moonmachine 2 Red Gold
- Reference Number: 81.RTL.B
- Limited: Yes, 12 units
Case & Dial:
- Material: Titanium, Red Gold
- Glass: Sapphire
- Back: Display
- Diameter: 49
- Thickness: 19.5
- Lug Width: N/A
- Dial Color: Black
- Indexes: Arabic Numerals and Proprietary-shaped hands
- Water Resistance: 30 meters
Movement:
- Winding: Automatic
- Brand: MB&F
- Caliber: HM8 Moonmachine
- Display: Analog
- Diameter: mm
- Jewels: 30
- Power Reserve: 42 hours
- Frequency: 28800 bph
- Functions: Minutes, Jumping Hours
About MB&F
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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