18K FACTORY
SWISS MANUFACTURE & GRAVIMETRIC ASSAY ARCHIVE • GENEVA FISCHER XRF Au750 (75.0%) AU / Pt950 PT • METTLER-TOLEDO SCALE VERIFIED PRIVATE CLIENT CONCIERGE • INSURED VAULT DISPATCH
18K FACTORY GENEVA
MANUFACTURE & XRF ASSAY ARCHIVE
Assay Archive / Cartier / Certificate XRF-750-115 (Ref. WGTA0011)
STATUS: PASSED • VERIFIED MASS 45.9g
Cartier Tank Louis Cartier Large 18K Yellow Gold Ref. WGTA0011 — XRF Certified Edition
01 • Front Dial Portrait (1 / 8)
MANUFACTURE & GRAVIMETRIC ARCHIVE DOSSIER

Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification

The Cartier Tank Louis Cartier Large 18K Yellow Gold Reference WGTA0011 is a direct Swiss foundry specimen engineered in 18K Yellow Gold Au750 (33.7 mm x 25.5 mm x 6.6 mm) with a certified Mettler-Toledo mass of 45.9g, Fischer XRF Au750 metallurgical verification, and Cartier Manufacture Cal. 1917 MC running at 28,800 vph (+0.4 s/d, 303 deg) with a 72-hour power reserve and 30m / 3 ATM rating.

Catalogued in our direct Swiss foundry Cartier assay archive under Specimen Code LAB-XRF-WGTA0011-W115, this Cartier Tank Louis Cartier Large 18K Yellow Gold Reference WGTA0011 is smelted and CNC-machined in 18K Yellow Gold Au750 (33.7 mm x 25.5 mm x 6.6 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 45.9g and scanned via non-destructive Fischer XRF spectroscopy.

What Are the Horological & Metallurgical Benchmarks of Cartier Tank de Cartier Ref. WGTA0011?

The Cartier Tank de Cartier Reference WGTA0011 is a precision-engineered luxury timepiece crafted in 18K Yellow Gold Au750 (33.7 mm x 25.5 mm x 6.6 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Hand-Finished 18K Yellow Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 45.9g, because its Cartier Manufacture Cal. 1917 MC movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.

5 Core Foundry & Laboratory Assay Specifications:

  • Foundry Specimen Entity: Cartier Tank Louis Cartier Large 18K Yellow Gold — Official Ref. WGTA0011 (Specimen LAB-XRF-WGTA0011-W115).
  • XRF Metallurgical Assay: 18K Yellow Gold Au750 certified for elemental composition and hallmark integrity.
  • Mettler-Toledo Mass: 45.9g verified gravimetric parity matching the authentic manufacture reference.
  • Chronometric Calibre: Cartier Manufacture Cal. 1917 MC beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.4 s/d, 303 deg Witschi trace.
  • Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, and 30m / 3 ATM barometric sealing.

Within the Cartier Tank de Cartier horological sub-silo, collectors also compare the Cartier Tank Must Medium Classic Silvered Dial Ref. WSTA0041 (45.5g) and the Cartier Santos de Cartier Large Full 18K Rose Gold Ref. WGSA0028 (178.1g).

REFERENCE-SPECIFIC COLLECTOR Q&A
What laboratory instruments certify Reference WGTA0011 (Cartier)?

Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (45.9g), a Fischer XRF spectrometer (18K Yellow Gold Au750), and a Witschi Chronoscope (+0.4 s/d, 303 deg).

Does the 45.9g reading match the authentic original Cartier WGTA0011 weight?

Yes. Our CNC foundry machines the 18K Yellow Gold case and bracelet to replicate the exact 45.9g reference mass of the authentic manufacture timepiece.

What are the movement specifications for Reference WGTA0011?

Reference WGTA0011 is powered by the Cartier Manufacture Cal. 1917 MC operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.4 s/d, 303 deg.

What dial and bezel specifications distinguish Cartier Tank de Cartier Ref. WGTA0011?

Reference WGTA0011 combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Hand-Finished 18K Yellow Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 33.7 mm x 25.5 mm x 6.6 mm 18K Yellow Gold Au750 case weighing 45.9g, verified via Fischer XRF spectroscopy and powered by Cartier Manufacture Cal. 1917 MC.

Cartier • REF. WGTA0011

Cartier Tank Louis Cartier Large 18K Yellow Gold Ref. WGTA0011 — XRF Certified Edition

Fischer XRF Verified 18K Yellow Gold Au750 • Mettler-Toledo 45.9g • Cartier Manufacture Cal. 1917 MC

MANUFACTURE DIRECT ALLOCATION
$13,400 USDT
Retail Market Estimate: $41,400
LIVE SWISS ASSAY TELEMETRY • BENCH #04 4K QC VIDEO READY
METTLER-TOLEDO
45.9g
1:1 Exact Mass
FISCHER XRF
Au 75.04%
18K Solid Au750
WITSCHI X1
+0.4 s/d
296° • 0.0 ms
Includes personalized 4K scale & XRF video on WhatsApp before dispatch ▶ Sample QC
Request 4K Lab Video
Assay Specimen ID & Official ReferenceCartier — Tank Louis / Tank Must de Cartier | Ref. WGTA0011 | SKU: LAB-XRF-WGTA0011-W115
Fischer XRF Elemental Purity & Alloy18K Yellow Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal
Mettler-Toledo Gravimetric Mass (g)45.9g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale
Bezel Tolerance, Gem-Setting & Case DimensionHand-Finished 18K Yellow Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 45.9g 18K Yellow Gold • 33.7 mm x 25.5 mm x 6.6 mm
Calibre Reference & Witschi ChronometryCartier Manufacture Cal. 1917 MC — Swiss Super Clone Mechanical Calibre Regulated to +0.4 s/d, 303 deg
Isochronism Frequency & Autonomous Power Reserve72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel
Double AR Sapphire Crystal & Barometric RatingScratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 30m / 3 ATM
Dial Metallurgy & Clasp Hallmark Verification33.7 mm x 25.5 mm x 6.6 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Yellow Gold Hand-Stitched Alligator / Elastomer Strap & Solid Gold Folding Clasp with Deep Laser Hallmarks
Cartier Ref. WGTA0011 • 45.9g
$13,400 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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