Gravimetric Mass & Chronometric Assay Bulletin
The Breguet Tradition Automatique Seconde Retrograde 40mm 18K White Gold Reference 7097BB/G1/9WU is a hallmarked 18K White Gold Au750 haute horlogerie timepiece measuring 40.0 mm x 11.65 mm with a verified Mettler-Toledo mass of 86.8g, powered by Breguet Manufacture Cal. 505SR1 - Inverted Silicon Escapement operating at 28,800 vph (+0.7 s/d, 303 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 30m / 3 ATM water resistance.
| I. Official Maison Entity & Reference | Breguet — Tradition Automatique Seconde Retrograde 7097 | Ref. 7097BB/G1/9WU | SKU: PV-AU750-7097BB/G1/9WU-W493 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | 18K White Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 86.8g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 86.8g 18K White Gold • 40.0 mm x 11.65 mm |
| V. Mechanical Manufacture Calibre | Breguet Manufacture Cal. 505SR1 - Inverted Silicon Escapement — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 303 deg |
| VI. Power Reserve & Oscillation Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| VII. Double AR Sapphire Crystal & Hermeticity | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 30m / 3 ATM |
| VIII. Dial Finishing, Bracelet & Hallmarked Clasp | 40.0 mm x 11.65 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K White Gold Hand-Stitched Alligator / Elastomer Strap & Solid Gold Folding Clasp with Deep Laser Hallmarks |
Curated within our hallmarked solid 18K gold Breguet collection, the Breguet Tradition Automatique Seconde Retrograde 40mm 18K White Gold Reference 7097BB/G1/9WU exemplifies haute horlogerie metallurgy in 18K White Gold Au750. Milled to exact manufacture geometry (40.0 mm x 11.65 mm), the monobloc middle case, Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Integrated 18K White Gold Hand-Stitched Alligator / Elastomer Strap & Solid Gold Folding Clasp with Deep Laser Hallmarks achieve a verified analytical mass of 86.8g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Are the Horological & Metallurgical Benchmarks of Breguet Breguet Flagship Ref. 7097BB/G1/9WU?
The Breguet Breguet Flagship Reference 7097BB/G1/9WU is a precision-engineered luxury timepiece crafted in 18K White Gold Au750 (40.0 mm x 11.65 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 86.8g, because its Breguet Manufacture Cal. 505SR1 - Inverted Silicon Escapement movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Horological & Metallurgical Specifications:
- Entity & Reference: Breguet Tradition Automatique Seconde Retrograde 40mm 18K White Gold — Official Reference 7097BB/G1/9WU (SKU: PV-AU750-7097BB/G1/9WU-W493).
- Precious Metal Assay: 18K White Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 86.8g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Breguet Manufacture Cal. 505SR1 - Inverted Silicon Escapement beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.7 s/d, 303 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 30m / 3 ATM rating.
Within the Breguet Breguet Flagship horological sub-silo, collectors also compare the F.P. Journe Elegante 48mm Titalyt Luminescent Dial Ref. EL-TI-48 (57.9g) and the Franck Muller Master Square 36.5mm Roman Dial Ref. 6000H-SC-DT (92.2g).
- Parent Brand & Breguet Flagship Silo Hub: Browse All 4 Certified Breguet Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Swiss St. Bernard Poincon & Au750 Gold Hallmarks Guide (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K SOLID GOLD Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & Escrow Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
What is the verified authentic gram weight of this Breguet Ref. 7097BB/G1/9WU?
At 18K Solid Gold 18K Solid Gold Salon, this Breguet Tradition Automatique Seconde Retrograde 40mm 18K White Gold Ref. 7097BB/G1/9WU weighs 86.8g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic 18K White Gold reference.
How is the 18K White Gold Au750 purity verified prior to dispatch?
Every timepiece undergoes non-destructive Fischer X-Ray Fluorescence (XRF) spectroscopy confirming elemental bullion composition alongside a personalized 4K scale and hallmark inspection video.
Which movement powers Reference 7097BB/G1/9WU and what is its power reserve?
Reference 7097BB/G1/9WU is equipped with the Breguet Manufacture Cal. 505SR1 - Inverted Silicon Escapement operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop to +0.7 s/d, 303 deg.
What dial and bezel specifications distinguish Breguet Breguet Flagship Ref. 7097BB/G1/9WU?
Reference 7097BB/G1/9WU combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 40.0 mm x 11.65 mm 18K White Gold Au750 case weighing 86.8g, verified via Fischer XRF spectroscopy and powered by Breguet Manufacture Cal. 505SR1 - Inverted Silicon Escapement.
Breguet Tradition Automatique Seconde Retrograde 40mm 18K White Gold Reference 7097BB/G1/9WU — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 86.8g Verified Mass • Breguet Manufacture Cal. 505SR1 - Inverted Silicon Escapement