A. Lange & Söhne - 310.021 Langematik Perpetual Yellow Gold
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| Brand: | A. Lange & Söhne | 
|---|---|
| Family: | Saxonia | 
| Reference: | 310.021 | 
| Name: | Langematik Perpetual Yellow Gold | 
| Movement: | 
                            A. Lange & Söhne caliber L922.1
                                                             Additional 24 Hour Hand (fixed), Hours, Minutes, Small Seconds | Big Date, Day, Month, Perpetual Calendar, Leap Year | Moonphase 
                                                     | 
                    
| Produced: | 2001 - 2007 | 
| Limited: | No | 
Case
| Material: | Yellow Gold | 
|---|---|
| Glass: | Sapphire | 
| Back: | Open | 
| Diameter: | 38.50 mm | 
| Height: | 10.20 mm | 
| Lug Width: | 20.00 mm | 
Dial
| Color: | Champagne | 
|---|---|
| Indexes: | Roman Numerals | 
| Hands: | Alpha | 
                        A. Lange & Söhne 310.021 description
The ref. 310.021 Langematik Perpetual Calendar was introduced in 2001. It features a yellow case of 38.5mm and a champagne dial. It came with a watchwinder. The corrector button at 10:00 was changed to a recessed one in 2004.

