The Basics

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.

Brand: A. Lange & Söhne
Family: Lange 1
Reference: 720.025
Name: Lange 1 Tourbillon Perpetual Calendar Platinum
Produced: 2012
Limited: Yes, 100 units

Below is a detailed look at A. Lange & Söhne’s model 720.025 from Lange 1 watch family, including the price, case details and movement features.

A. Lange & Söhne Lange 1 720.025

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The Details

A. Lange & Söhne’s Lange 1 Tourbillon Perpetual Calendar Platinum (720.025) was originally released in 2012. This watch features a automatic movement beating at a frequency of 21600 bph ( 3 Hz) to provide a 50-hour power reserve when fully wound.

The Case

The platinum case measures 41.9mm in diameter and roughly 12.2mm thick, with 22mm lug width. The round case is paired with a silver color dial with -shaped hands, and a mixed hour markers and minute track, covered by a sapphire glass. A. Lange & Söhne’s Lange 1 model 720.025 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: Platinum
Glass: Sapphire
Back: Display
Shape: Round
Diameter: 41.9mm
Height: 12.2mm
Lug Width: 22mm
W/R: N/A

Case Diameter

Case Thickness

Lug Width

Water Resistance

The Movement

The Lange 1 720.025 movement is a powered by caliber L082.1 made by A. Lange & Söhne. The 76-jewel automatic movement is 34.1mm in diameter. Its balance wheel oscillates at 21,600 semi-oscillations per hour or 3 Hz. This movement offers a 50-hour power reserve.

Type: Automatic
Brand: A. Lange & Söhne
Caliber: L082.1
Base: N/A
Display: Analog
Diameter: 34.1mm
Jewels: 76
Reserve: 50 hours
Frequency: 21600 bph
Time: Additional 24 Hour Hand (adjustable), Hours, Minutes, Small Seconds
Chronograph:
Additionals:

The Price

How much does the A. Lange & Söhne’s Lange 1 720.025 cost? This watch was introduced in 2012 and has been in A. Lange & Söhne’s collection for around . This watch is a limited edition with just 100 pieces released. As with most luxury watches, the price of depends on the availability and demand.

CURRENT PRICE: Not Available .

For more information, visit A. Lange & Söhne online.

Specifications:

  • Brand: A. Lange & Söhne
  • Model: Lange 1 Tourbillon Perpetual Calendar Platinum
  • Reference Number: 720.025
  • Limited: Yes, 100 units

Case & Dial:

  • Material: Platinum
  • Glass: Sapphire
  • Back: Display
  • Diameter: 41.9
  • Thickness: 12.2
  • Lug Width: 22
  • Dial Color: Silver
  • Indexes: Mixed and -shaped hands
  • Water Resistance: N/A meters

Movement:

  • Winding: Automatic
  • Brand: A. Lange & Söhne
  • Caliber: L082.1
  • Display: Analog
  • Diameter: 34.1mm
  • Jewels: 76
  • Power Reserve: 50 hours
  • Frequency: 21600 bph
  • Functions: Additional 24 Hour Hand (adjustable), Hours, Minutes, Small Seconds

About A. Lange & Söhne

A. Lange & Söhne logo

Ferdinand Adolph Lange founded A. Lange & Söhne in 1845 in Glashütte, Germany. A. Lange & Söhne watches are instantly recognizable as a different style in movement construction. The characteristics are closer to classic British watches than Swiss. Three quarter plates with engraved balance cocks are often seen, along with screwed chatons for the jewels. A. Lange & Söhne is part of the Richemont group.

A. Lange & Söhne Watches

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