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This trade never had serious software. It does now.

Cost, tax scheme, days held and euro per day on every piece. § 25a honoured on every invoice after it. Built in Germany, for professional dealers across Europe.

Start 30 days free See the whole suite A flat monthly fee, and 0% commission on a trade, today.
Capital in stock
412.680 €
Ø days held
84
Margin, 30 d
31.420 €
Over 180 days
133.500 €
Rolex Day-Date 18238
Champagne · 1991 · Box
34 d19.850 €
Rolex Yacht-Master 168622
Grey · 2004
412 d21.400 €
Cartier Panthère W2PN0019
White Roman · 2019
268 d12.900 €

Built by a dealer with his own capital in stock.

Viktor Siewert
Founder · trades watches for a living
01 · Where deals begin

The group chat, read for you.

No punctuation, half of it abbreviations, the price buried at the end. Every dealer group on earth reads like this. ChronoDesk reads it too, and hands back a piece you can work with.

Dealer group · 214 members · 09:14
morgen liste 👇
18238 champ stick 91
box + service papiere 2019
19.850 fix, nur bh · münchen
BrandinferredRolex
ModelinferredDay-Date 36
Reference18238
DialChampagne, stick
Yearinferred1991
SetBox, service papers 2019
Ask19.850 €
TermsFixed price, wire only
LocationMünchen, DE
Matches your open want-to-buy
Yours. Matched against want-to-buys you posted, never against demand we can see.
02 · What you hold

Dead capital, first on the list.

Every piece carries what it cost, how long it has sat and what that costs you per day. The list orders itself so the money that stopped moving is the first thing you see.

Capital over 180 days
133.500 €
Oldest first · 5 of 42 pieces
Example workspace
PieceHeldPer dayCapital tied upAmount
Rolex Yacht-Master 168622Aged
412 d-14.2 €/d
21.400 €
Cartier Panthère W2PN0019Aged
268 d-7.8 €/d
12.900 €
Rolex Air-King 116900
61 d+3.4 €/d
8.650 €
Rolex Day-Date 18238
34 d+11.9 €/d
19.850 €
Rolex Datejust 16233
12 d+6.1 €/d
5.240 €

Then the tax office asks how you taxed it.

03 · What keeps you legal

Five tax schemes, chosen once.

The scheme is chosen once, when you buy the piece, and honoured on every invoice after it. Not bolted on at the end, where it goes wrong.

Scroll to drive. The page is not playing this, you are.
Rechnung
RE-2026-0417
Rolex Day-Date 36 · 18238
SN 8K42N19P · 1991 · Box
23.400 €
Purchase19.850 €
Trade margin3.550 €
VAT 19 % on the margin567 €
Ausgewiesen wird keine Umsatzsteuer. § 25a UStG.
ZUGFeRD e-invoiceDATEV export
Gesamt
23.400 €
04 · Who finds you

Your stock, already a shop.

A public storefront built from the stock you already keep. Published in a click, indexed by Google, enquiries landing in the same inbox as everything else.

muenchner-uhren.chronodesk.shop
Publishing…
Rolex Day-Date 36
Champagne · 1991 · Box
23.400 €
Rolex Submariner
Black · 2007 · Full set
9.650 €
Cartier Santos
White Roman · 2022
6.240 €
Live. Indexed. Enquiries land in your inbox.
Impressum · Datenschutz · Versand
Goes public
Reference, photos, condition, year, asking price.
Never leaves your account
What you paid. Your margin. Who you bought from. Who you sold to.

Your margin is none of our business.

How we earn

The subscription, and nothing else. Commission on every trade in the marketplace is 0%. Not reduced, not introductory. Zero, on every trade, today.

The mechanism

A listing is assembled from a whitelist of public fields, not by redacting a private record, so what reaches another dealer never contained your cost. We run the database, so we will not claim it is unreachable by us.

If we are wrong

Your cost is never shown to another dealer and never used to price, rank or match anything. That is in the contract, and access is logged. Leaving takes one export.

05 · Everything else

And this is the short list.

Most sites put this behind a Learn more. Here it is instead, in plain language, with nothing dressed up. It is still not all of it.

56
of them, on this page alone
Stock
AI photo scan
Point a camera at the watch. Reference, dial and set come back filled in.
Stock
PDF import
Supplier lists and old invoices, read and turned into pieces.
Stock
Spreadsheet import
Twelve years of Excel, each row keeping the tax scheme it was bought under.
Stock
No piece limit
The subscription does not count your watches.
Stock
Unlimited images
Every angle, every box, every paper.
Stock
Active, sold, in service
Three states, one object, no second spreadsheet.
Stock
Serial and reference
Both indexed, both searchable.
Stock
Additional costs
Service, polish, courier, customs. They land on the piece, not in a note you forget.
Stock
Service history
What was done, by whom, what it cost.
Stock
Reference database
Over 23,000 references, kept current and growing.
Stock
Duplicate detection
An import that would enter the same serial twice is caught first.
Stock
Aging cohorts
0 to 30, 30 to 90, 90 to 180, and the pile you do not want to look at.
Money
§ 25a Differenzbesteuerung
Margin scheme, chosen at purchase and honoured downstream.
Money
Regelbesteuerung
Standard rate where it applies.
Money
§ 13b Reverse Charge
EU business to business, handled.
Money
§ 6 Ausfuhrlieferung
Third country, zero rated, documented.
Money
Kleinunternehmer
For the smaller book.
Money
ZUGFeRD
Structured e-invoice inside the PDF.
Money
One file
The page a human reads and the record a machine reads, together.
Money
Immutable numbering
Gapless sequences. A finalised invoice cannot be edited, only reversed.
Money
Storno
Proper cancellation documents, not a delete button.
Money
DATEV export
Monthly, in the shape your tax advisor already imports.
Money
CSV and Excel
For everything else.
Money
VAT report
On demand, per scheme.
Money
Profit and loss
By month, by brand, by channel.
Money
Payment tracking
Paid, part paid, overdue.
Floor
Hand-verified dealers
Reviewed by a person before they get in.
Floor
0% commission
On every trade, today.
Floor
Listings
From stock you already photographed.
Floor
Want-to-buys
Post once, and stop repeating yourself in forty groups.
Floor
Live matching
Verified stock checked against your open want-to-buys as it arrives.
Floor
Offers
Made, countered, accepted, in thread.
Floor
Inventory transfers
Dealer to dealer, with the paperwork behind it.
Floor
Transfer privacy
Field level. What crosses is a whitelist, not a redaction.
Floor
Trust score
Earned across trades, visible to the people you trade with.
Floor
Vouching
The way this trade has always worked, written down.
Floor
Scam reporting
Because the groups do this badly and slowly.
Floor
Watch cards in chat
A piece shared in a thread is still the same object.
Reach
Storefront builder
Sections, drafts, and a publish button.
Reach
Product pages
One per piece, indexed, shareable.
Reach
Enquiry forms
Landing in the same inbox as everything else.
Reach
Spam detection
So the inbox stays worth opening.
Reach
SEO indexing
Your stock, findable by people who are not dealers.
Reach
Customer records
What they bought, what they paid, what they asked for.
Reach
Customer intelligence
Ideal profile, average spend, realised profit per client.
Reach
Buying-season detection
When each client actually buys, from their own history.
Ops
Team
Your people in one workspace, without sharing a login.
Ops
Help and support
Questions raised in the app, answered in the app.
Ops
Web push
Chat, transfers, sales, the things that need you now.
Ops
Missing-invoice alerts
A sale without a document does not stay quiet.
Ops
Weekly digest
One message, Monday morning.
Ops
English and German
The whole interface in both, and your watch text translated for you.
Ops
EU hosting
Data and functions in the European Union.
Ops
GDPR and Art. 28
Documented sub-processors, DPA on request.
Ops
Consent mode
No analytics or marketing tag fires without an explicit yes.
Ops
Export
Watches, invoices and DATEV, in formats you already open.

I trade watches myself. I have had six figures sitting in pieces that would not move, and I have assembled § 25a documentation by hand the night before the tax advisor asked for it. I tried what else exists. None of it held German tax cases, tied-up capital and the group chats in one place, so I built the thing I wanted. Run it for thirty days against whatever you use now.

Viktor Siewert
Founder and Managing Director

A flat monthly fee, and no cut of your trade.

See pricing

Thirty days. Your own stock.

How do twelve years of Excel get in?
Send the spreadsheet in whatever shape it is in. We run the import ourselves, hand back anything that needs a decision from you, and you keep your old system open for as long as you want.
Can other dealers see my costs?
No. What another dealer receives never contained your cost, and it is never used to price or rank anything.
Can I cancel?
Thirty days free first, and no card is charged before day 31. The terms are agreed with you during the application, before anything is signed.