5-Axis CNC & Horological Architecture
The Custom Piaget Altiplano Ultra-Thin 38mm Hand-Wound Cal. 830P 18K White Gold Reference G0A29112 is a 5-axis Swiss CNC commission machined in 18K White Gold Au750 (38.0 mm x 6.0 mm) weighing 56.1g on our Mettler-Toledo analytical balance, driven by Piaget Ultra-Thin Cal. 430P / Cal. 800P regulated to +0.5 s/d, 301 deg at 28,800 vph with a 72-hour power reserve beneath a double anti-reflective sapphire crystal.
| 01 / CNC Blueprint Entity & Reference | Piaget — Altiplano Ultra-Thin | Ref. G0A29112 | SKU: AT-AU750-G0A29112-W536 |
|---|---|
| 02 / 5-Axis CNC Metallurgy & Gold Purity | 18K White Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| 03 / Analytical Bench Weight (1:1 Reference Mass) | 56.1g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| 04 / Custom Bezel, Gem-Setting & Case Geometry | Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 56.1g 18K White Gold • 38.0 mm x 6.0 mm |
| 05 / Regulated Super Clone Movement Calibre | Piaget Ultra-Thin Cal. 430P / Cal. 800P — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 301 deg |
| 06 / Barrel Power Reserve & Balance Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| 07 / Optical Sapphire Crystal (Double AR) & Sealing | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 30m / 3 ATM |
| 08 / Bespoke Dial & Integrated Bracelet Spec | 38.0 mm x 6.0 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K White Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Engineered inside our Geneva 5-axis CNC Piaget custom atelier, the Custom Piaget Altiplano Ultra-Thin 38mm Hand-Wound Cal. 830P 18K White Gold Reference G0A29112 is machined from solid 18K White Gold Au750 billets to micron-level tolerances (38.0 mm x 6.0 mm). Every bevel, lug chamfer, and Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands is hand-finished on our watchmaker bench, yielding a certified reference weight of 56.1g verified under our Fischer XRF and Mettler-Toledo QC protocol.
What Are the Horological & Metallurgical Benchmarks of Piaget Piaget Flagship Ref. G0A29112?
The Piaget Piaget Flagship Reference G0A29112 is a precision-engineered luxury timepiece crafted in 18K White Gold Au750 (38.0 mm x 6.0 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 56.1g, because the Piaget Ultra-Thin Cal. 430P / Cal. 800P movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core CNC & Chronometric Specifications:
- Blueprint Reference: Custom Piaget Altiplano Ultra-Thin 38mm Hand-Wound Cal. 830P 18K White Gold — Official Ref. G0A29112 (SKU: AT-AU750-G0A29112-W536).
- 5-Axis CNC Metallurgy: 18K White Gold Au750 case (38.0 mm x 6.0 mm) and Hand-Finished 18K White Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal with hand-polished chamfers.
- Verified Bench Mass: 56.1g confirmed on a Mettler-Toledo analytical gram scale prior to dispatch.
- Super Clone Calibre: Piaget Ultra-Thin Cal. 430P / Cal. 800P operating at 28,800 vph (4 Hz) with 72-hour power reserve and +0.5 s/d, 301 deg accuracy.
- Sapphire Optics & Sizing: Double anti-reflective sapphire crystal, 30m / 3 ATM sealing, and 19 wrist sizing options (14.0–22.0 cm).
Within the Piaget Piaget Flagship horological sub-silo, collectors also compare the Piaget Altiplano Ultra-Thin Automatic 38mm Cal. 800P Ref. G0A31114 (56.8g) and the Piaget Altiplano Ultra-Thin Hand-Wound 38mm Cal. 830P Ref. G0A35130 (56.5g).
- Parent Brand & Piaget Flagship Silo Hub: Browse All 6 Certified Piaget Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: 5-Axis Swiss CNC Milling Solid 18K Gold Watch Cases (±2um) (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K CUSTOM Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & 4K QC Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
How is the 18K White Gold case of this Piaget G0A29112 machined?
Our Geneva CNC specialists mill the monobloc middle case, bezel, and bracelet geometry on 5-axis Swiss machining centers in 18K White Gold Au750 to achieve the authentic 56.1g reference mass.
Can the bracelet or strap be pre-sized to my exact wrist circumference?
Yes. Choose from 19 precision wrist circumference options (14.0 cm to 22.0 cm, or full unsized factory length). All removed solid links are sealed inside your presentation box.
How is the Piaget Ultra-Thin Cal. 430P / Cal. 800P tested on the atelier workbench?
We record a personalized 4K bench video showing the Piaget Ultra-Thin Cal. 430P / Cal. 800P (28,800 vph, 72-hour reserve) running at +0.5 s/d, 301 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.
What dial and bezel specifications distinguish Piaget Piaget Flagship Ref. G0A29112?
Reference G0A29112 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 38.0 mm x 6.0 mm 18K White Gold Au750 case weighing 56.1g, verified via Fischer XRF spectroscopy and powered by Piaget Ultra-Thin Cal. 430P / Cal. 800P.
Custom Piaget Altiplano Ultra-Thin 38mm Hand-Wound Cal. 830P 18K White Gold Ref. G0A29112
5-Axis Swiss CNC 18K White Gold Au750 • 56.1g Verified Mass • Regulated Piaget Ultra-Thin Cal. 430P / Cal. 800P