Description
Think you know watches?
Chrono Lab turns watch knowledge into a real challenge. Identify iconic references from a close-up photo, guess auction prices, build a collection from Rolex to Patek Philippe — one question at a time.
DAILY WATCH
Every morning, a new quiz is waiting. A unique selection of questions drawn from the entire catalog — no two days are the same. Complete the challenge to unlock the Watch of the Day: a short story about one legendary timepiece, beautifully presented. Keep your streak alive — each story is revealed only once.
DISCOVERY MODE
Explore themed packs designed as real horology courses: Rolex Essentials, Iconic Chronographs, Swiss Independents, Vintage Classics. Each pack progresses from basics to expertise, one question at a time.
CHALLENGE MODE
Test yourself under pressure. Pick a category, answer timed questions, and try to beat your personal best. Built for replayability — every session pulls a different set.
IDENTIFY THE WATCH
A close-up photo. Several choices. One correct answer. Progressive hints if you're stuck. Advanced variants show only the movement, the case back, or a single dial detail. This is where real expertise is tested.
COLLECTION BOOK
Every watch you encounter joins your personal collection — a visual catalog you unlock progressively, complete with exact references, calibers, materials, and the curated facts that make each timepiece worth knowing.
PROGRESSION SYSTEM
Earn XP with every correct answer. Rise through the ranks from Novice to Grand Complication. Unlock badges by mastering brands, building streaks, and proving your speed.
THE GREATEST HOUSES
Rolex, Patek Philippe, Audemars Piguet, Omega, Cartier, Jaeger-LeCoultre, A. Lange & Söhne, Grand Seiko, Tudor, IWC, Breitling, Panerai, Vacheron Constantin, Hublot, TAG Heuer, Zenith, Longines, Nomos, Seiko Presage, Tissot — all represented with their real references and accurate specifications.
PREMIUM PACKS
Go further with The Rolex Vault and Auction Legends — themed chapters on the most iconic vintage watches and the auctions that shaped horology. One-time purchase, no subscription.
OFFLINE AND PRIVATE
Chrono Lab works without an internet connection from the very first launch. No account, no sign-up, no ads, no tracking. Your progress stays on your device. We never collect any personal data.
Whether you own your first watch or a full collection, whether you're curious about horology or you read auction results over breakfast — Chrono Lab was built for you.
Download Chrono Lab and prove your watch expertise.
What's new (v1.0.9)
NEW WATCHES, NEW QUESTIONS
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