18K CUSTOM
01 Workbench / Chopard / Blueprint 278559-3001
VERIFIED MASS: 88.6g • 904L Stainless Steel Custom Architecture
Custom Chopard Happy Sport Icons 36mm Floating Diamonds Ref. 278559-3001
01 • Front Dial Portrait (1 / 8)
TECHNICAL SPECIFICATION SHEET

5-Axis CNC & Horological Architecture

The Custom Chopard Happy Sport Icons 36mm Floating Diamonds Reference 278559-3001 is a 5-axis Swiss CNC commission machined in 904L Stainless Steel Custom Architecture (33.0 mm x 10.84 mm) weighing 88.6g on our Mettler-Toledo analytical balance, driven by Chopard Manufacture Cal. 09.01-C regulated to +0.4 s/d, 296 deg at 28,800 vph with a 72-hour power reserve beneath a double anti-reflective sapphire crystal.

01 / CNC Blueprint Entity & ReferenceChopard — Happy Sport Automatic 33mm | Ref. 278559-3001 | SKU: AT-CNC-278559-3001-W360
02 / 5-Axis CNC Metallurgy & Gold Purity904L Stainless Steel Custom Architecture — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission
03 / Analytical Bench Weight (1:1 Reference Mass)88.6g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale
04 / Custom Bezel, Gem-Setting & Case GeometryBrilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 88.6g 904L Steel Edition • 33.0 mm x 10.84 mm
05 / Regulated Super Clone Movement CalibreChopard Manufacture Cal. 09.01-C — Swiss Super Clone Mechanical Calibre Regulated to +0.4 s/d, 296 deg
06 / Barrel Power Reserve & Balance Frequency72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel
07 / Optical Sapphire Crystal (Double AR) & SealingScratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 30m / 3 ATM
08 / Bespoke Dial & Integrated Bracelet Spec33.0 mm x 10.84 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp

Engineered inside our Geneva 5-axis CNC Chopard custom atelier, the Custom Chopard Happy Sport Icons 36mm Floating Diamonds Reference 278559-3001 is machined from solid 904L Stainless Steel Custom Architecture billets to micron-level tolerances (33.0 mm x 10.84 mm). Every bevel, lug chamfer, and Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands is hand-finished on our watchmaker bench, yielding a certified reference weight of 88.6g verified under our Fischer XRF and Mettler-Toledo QC protocol.

What Are the Horological & Metallurgical Benchmarks of Chopard Chopard Flagship Ref. 278559-3001?

The Chopard Chopard Flagship Reference 278559-3001 is a precision-engineered luxury timepiece crafted in 904L Stainless Steel Custom Architecture (33.0 mm x 10.84 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 88.6g, because the Chopard Manufacture Cal. 09.01-C movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.

5 Core CNC & Chronometric Specifications:

  • Blueprint Reference: Custom Chopard Happy Sport Icons 36mm Floating Diamonds — Official Ref. 278559-3001 (SKU: AT-CNC-278559-3001-W360).
  • 5-Axis CNC Metallurgy: 904L Stainless Steel Custom Architecture case (33.0 mm x 10.84 mm) and Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal with hand-polished chamfers.
  • Verified Bench Mass: 88.6g confirmed on a Mettler-Toledo analytical gram scale prior to dispatch.
  • Super Clone Calibre: Chopard Manufacture Cal. 09.01-C operating at 28,800 vph (4 Hz) with 72-hour power reserve and +0.4 s/d, 296 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 Chopard Chopard Flagship horological sub-silo, collectors also compare the F.P. Journe Elegante 48mm Titalyt Luminescent Dial Ref. EL-TI-48 (57.9g) and the Breguet Tradition Automatique Seconde Retrograde 40mm 18K White Gold Ref. 7097BB/G1/9WU (86.8g).

REFERENCE-SPECIFIC COLLECTOR Q&A
How is the 904L Steel Edition case of this Chopard 278559-3001 machined?

Our Geneva CNC specialists mill the monobloc middle case, bezel, and bracelet geometry on 5-axis Swiss machining centers in 904L Stainless Steel Custom Architecture to achieve the authentic 88.6g 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 Chopard Manufacture Cal. 09.01-C tested on the atelier workbench?

We record a personalized 4K bench video showing the Chopard Manufacture Cal. 09.01-C (28,800 vph, 72-hour reserve) running at +0.4 s/d, 296 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.

What dial and bezel specifications distinguish Chopard Chopard Flagship Ref. 278559-3001?

Reference 278559-3001 combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 33.0 mm x 10.84 mm 904L Stainless Steel Custom Architecture case weighing 88.6g, verified via Fischer XRF spectroscopy and powered by Chopard Manufacture Cal. 09.01-C.

COMMISSION CONFIGURATOR

Custom Chopard Happy Sport Icons 36mm Floating Diamonds Ref. 278559-3001

5-Axis Swiss CNC 904L Stainless Steel Custom Architecture • 88.6g Verified Mass • Regulated Chopard Manufacture Cal. 09.01-C

STEP 01 / SETTLEMENT CURRENCY
$4,040 USDT
Secondary Market Estimate: $22,500
LIVE SWISS ASSAY TELEMETRY • BENCH #04 4K QC VIDEO READY
METTLER-TOLEDO
88.6g
1:1 Exact Mass
FISCHER XRF
Ti5 / CNC
5-Axis Swiss Grade
WITSCHI X1
+0.4 s/d
296° • 0.0 ms
Includes personalized 4K scale & XRF video on WhatsApp before dispatch ▶ Sample QC
Request 4K Bench Video
Chopard Ref. 278559-3001 • 88.6g
$4,040 USDT
● Added to Private Selection Portfolio
Private Client Concierge Desk

Allocation Portfolio (0)

Pre-Shipment 4K Scale & Timing Video Included Insured Vault Delivery
Verified Reference Mass 0.0g Verified
Total Private Allocation $0
Includes Personalized 4K Mettler-Toledo Scale & Witschi Timegrapher Dossier
All removed bracelet links accompany your timepiece inside the presentation box • Insured Brink's / DHL Express Priority
PRIVATE CLIENT DESK
Geneva • Monte-Carlo • Place Vendome

Private Allocation & 4K QC Dossier

1. Select Preferred Settlement Arrangement:
Allocation Dossier Reference
ALLOC-2026-884920
Total Allocation Value
$26,900 USD
Pre-Shipment 4K Laboratory Verification Protocol: Before any funds are finalized or your timepiece is dispatched, our Senior Watchmaker records a personalized 4K video of your exact serial number on a calibrated Mettler-Toledo gram scale and Witschi Chronoscope timegrapher.
GRAVIMETRIC & HOROLOGICAL SPECIFICATION MATRIX

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