Authenticity Guaranteed
Every timepiece is carefully inspected, independently authenticated, and accurately represented before it reaches your collection.
A. Lange & Söhne
Datograph 39mm 403.031 – Pink Gold, First Series, Discontinued
✓ Available Upon RequestThe Timepiece
The Dufourgraph — named for Philippe Dufour, who bought a 403.031 and called the Datograph the finest chronograph ever made. Pink gold, black dial, first-series cal. L951.1 flyback with a 36-hour reserve. The shortest-running Datograph of the first generation, and the one collectors argue about most.
Specifications
- Reference 403.031
- 39mm pink gold case, 13.2mm thick
- Black solid-silver dial with silver subdials
- Calibre L951.1 manual-wind — 36-hour power reserve, 18,000 vph
- Flyback chronograph with jumping minute counter, outsize date, tachymeter
- Hand-stitched chestnut-brown alligator leather strap, pink gold prong buckle
- Sapphire crystal front and display back
- Water resistant to 30 metres
Availability: Available upon request through the Seaside Timepieces dealer network — contact us to confirm and lock it in.
Watch Specifications
Client Services
This timepiece is not currently in our physical inventory but can be sourced through our trusted network of dealers and collectors.
Inquire and we'll respond with availability, condition details, and pricing within 24–48 hours.
We accept all major credit cards, wire transfer, and Shop Pay Installments for qualified buyers.
For high-value purchases, wire transfer is preferred.
Contact us to discuss payment arrangements.
Every timepiece we carry is hand-selected and independently authenticated — no exceptions, no shortcuts.
We're a veteran-owned luxury watch dealer committed to total transparency.
Every order ships fully insured via FedEx or UPS overnight.
Domestic shipping is complimentary on all timepieces.
International shipping is available — contact us for rates.
All sales are final; we stand behind every piece we sell.