Reference
A. Lange & Sohne Langematik Perpetual Yellow Gold 310.021
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.
| Reference | 310.021 |
|---|---|
| Collection | Saxonia |
| Case diameter | 38.5 mm |
| Case material | Yellow Gold |
| Case back | Open |
| Lug width | 20.00 mm mm |
| Movement | A. Lange & Söhne caliber L922 |
| Dial colour | Champagne |
| Indexes | Roman Numerals |
| Hands | Alpha |
| Crystal | Sapphire |
| Year introduced | 2001 |
| Limited edition | Yes |
This is a reference-catalog entry for the A. Lange & Sohne Langematik Perpetual Yellow Gold 310.021. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.
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