The 1815 Up/Down adds a power reserve to the pared-back 1815 family; secondary prices are firm because the combination of outsize date and reserve display is considered one of the most useful Lange complications.
Editorial estimate. Actual prices vary by condition, date, and box/papers status. Live pricing data is in development.
The 1815 Up/Down is the most disciplined watch in the Lange catalog. Where the Lange 1 organizes its dial around deliberate asymmetry, the 1815 Up/Down gives you a symmetrical field with a single concession to practicality: a power reserve arc at 12 o'clock that tells you when to wind. It is, by design, nothing more than that.
The 1815 collection takes its name from the birth year of August Lange, who founded the Saxon watchmaking industry in Glashütte in 1845. The Up/Down variant adds a power reserve indicator to what is otherwise Lange's plainest manual-wind dress watch, a useful addition for a movement you must remember to wind every day or two. This reference in white gold with the L051.2 caliber has been in production since 2013, making it one of the more stable entries in the current lineup.
The dial layout is textbook Lange: railroad minute track, blued steel hands, Arabic numerals, nothing surplus. The power reserve arc reads from "Up" (full) to "Down" (depleted), a Germanic literalism that collectors either appreciate or find charming depending on how seriously they take themselves.
White gold Lange pieces show desk-diving wear on the case flanks faster than you might expect; inspect the lugs carefully on any pre-owned example. The L051.2 is a manual-wind caliber with a roughly 72-hour power reserve, which means an unwound watch runs down in three days, so service records matter more here than on an automatic. Dials on pre-owned 1815 examples can show moisture spotting if the crown has been left unscrewed; check under magnification before buying.
The 39mm case is period-correct and well-proportioned but sits smaller on the wrist than modern buyers accustomed to 40mm-plus may expect. This reference commands a meaningful premium over the time-only 1815 for the power reserve complication alone, so make sure you actually want that feature before paying for it.
White gold 1815 Up/Down references trade significantly below the retail price of current Lange production on the secondary market, reflecting broader softness in German dress watch demand since 2022. Expect to find clean examples in the $18,000 to $24,000 range depending on box and papers, with full-set examples at the top of that band. The 1815 Up/Down does not carry the speculative premium of the Lange 1 or Datograph, which makes it an honest entry point for a collector who wants a serious Lange without overpaying for hype.
The L051.2 is a relatively straightforward manual-wind caliber by Lange standards, but it should only be serviced by Lange-authorized technicians or watchmakers with documented experience on Saxon movements. Lange recommends a service interval of roughly five years for the L051.2; full service through the manufacture runs in the $1,200 to $1,800 range. Keep all service documentation, as it meaningfully affects resale value on this reference.
Community + OSINT signals haven’t landed for this reference yet. We don’t publish a rating against zero signal — the number would mean nothing. Editorial body + caliber + market value still surface above; ratings appear once the signal corpus does.
The 1815 Up/Down is a clean, legible Lange reference with low counterfeit pressure; the Cal. L051.2 German silver three-quarter plate with Glashütte ribbing and the power-reserve arc at 3 are the authentication anchors.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| dial | Arabic numeral dial (no applied indices) | Printed Arabic numerals at all twelve positions; no applied metal index pieces; numerals in the specific Lange serif font; clean white or silver dial surface; "1815" text below 12 | Applied metal indices at any hour position (wrong dial style for 1815); any date aperture present; numerals in incorrect font or weight |
| dial | Power reserve arc at 3 o'clock |
| "Up/Down" power reserve arc indicator at 3 o'clock position; arc covers approximately 90-degree sector; pointer advances smoothly as power reserve depletes; "72H" marking at full-wind position |
| Missing power reserve indicator (indicates standard 1815, not Up/Down); power reserve arc at incorrect position; "72H" marking absent or at incorrect position |
| dial | Subsidiary seconds at 6 o'clock | Small subsidiary seconds register at 6 o'clock; seconds hand sweeps; no date complication at 3 o'clock; dial otherwise uncluttered | Date aperture at 3 o'clock (indicates a different movement or variant); seconds hand absent; any additional complication beyond power reserve and seconds |
| movement | Cal. L051.2 German silver three-quarter plate via caseback | Exhibition caseback shows warm grey-brown German silver three-quarter plate; Glashütte ribbing (parallel stripes) at consistent spacing; "A. LANGE & SÖHNE GLASHÜTTE I/SA" on movement; "CAL. L051.2" text; blued steel screws | Cool or white bridges (Swiss movement or nickel-silver substitutes); irregular Glashütte ribbing; Cal. L051.2 text absent; black or chrome screws instead of blued steel |
| movement | Blued steel screws | Thermally blued screws throughout the movement; vivid blue-violet color; uniform bluing across all screws; polished and beveled screw heads | Any screw without blue coloration; uneven bluing between screws; flat (unbeveled) screw head edges |
| case | 38.5mm case and yellow gold or white gold correctness | Case diameter approximately 38.5mm; ref. 234.026 is yellow gold; hallmarks ("750") on caseback; case shoulders crisp with no polish rounding | Case diameter under 37mm or over 40mm; missing gold hallmarks; rounded case shoulders indicating polishing; wrong metal (steel or silver in a claimed gold reference) |
