A. Lange & Söhne - 720.025
Lange 1 Tourbillon Perpetual Calendar Platinum

Brand: | A. Lange & Söhne |
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Family: | Lange 1 |
Reference: | 720.025 |
Name: | Lange 1 Tourbillon Perpetual Calendar Platinum |
Produced: | 2012 |
Limited: | Yes, 100 units |
Case
Material: | Platinum |
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Glass: | Sapphire |
Back: | Open |
Shape: | Round |
Diameter: | 41.90 mm |
Height: | 12.20 mm |
Lug Width: | 22.00 mm |
Dial
Nickname: | Rhodium |
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Color: | Silver |
Material: | Silver |
Indexes: | Mixed |
Hands: | Alpha |

Description
The Lange 1 Tourbillon Perpetual Calendar was introduced in 2014. Similar to the Daymatic, it features a mirrored dial layout and automatic winding. Compared to said model it however adds the perpetual calendar, moonphase and tourbillon escapement - the latter only visible through the sapphire crystal caseback.
Ref. 720.025 is a platinum case and is a limited edition of 100 pieces.
Movement
Type: | Automatic |
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Brand: | A. Lange & Söhne |
Caliber: | L082.1 |
Display: | Analog |
Diameter: | 34.10 mm |
Jewels: | 76 |
Reserve: | 50 h |
Frequency: | 21600 bph |
Time: | Additional 24 Hour Hand (adjustable), Hours, Minutes, Small Seconds |
Date: | Date, Day, Leap Year, Month, Perpetual Calendar |
Astronomical: | Moonphase |
Additionals: | Tourbillon Escapement |