# 18K WATCHES — Official Solid 18K Gold (Au750) & Pt950 Horological Pricing & Specification Schedule

> Direct allocation pricing, verified Mettler-Toledo gram weights, alloy purity standards, and included laboratory deliverables for 18K WATCHES (https://18kwatches.com).

## 1. Precious Metal & Bespoke CNC Tier Pricing Overview

| Horological Tier | Precious Metal / Case Material | Verified Gram Mass Range | Movement Architecture | Direct Allocation Range (USD) | Included Laboratory Deliverables |
| :--- | :--- | :--- | :--- | :--- | :--- |
| **Solid 18K Gold on Strap / Oysterflex** | 75.0% Pure Gold (Au750 Yellow, Everose, White) | 106.0g – 168.4g | Swiss Super Clone Cal. 4130, 4131, 324 S C, 240 PS | $1,150 – $1,650 | 4K Scale + Fischer XRF + Witschi Video |
| **Full Solid 18K Gold Bracelet Models** | 75.0% Pure Gold (Au750 Case, Bezel, Links & Clasp) | 176.2g – 254.0g | Cal. 4130, 4131, 3255, 26-330 S C, 4302, 4401 | $1,350 – $2,150 | 4K Scale + 6-Pt XRF + Witschi + All 18K Links |
| **Solid 950 Platinum (Pt950) Editions** | 95.0% Pure Platinum + 5.0% Ruthenium (21.45 g/cm3) | 243.5g – 282.4g | Cal. 4130, 4131, 3255, 26-330 S C | $1,450 – $2,250 | 4K Scale + Pt950 XRF + Ice-Blue / Baguette Spec |
| **Off-Catalogue High-Jewelry & Tourbillon** | Solid 18K Gold / Pt950 / Monobloc Sapphire + VVS Gems | 68.5g – 280.5g | Flying Tourbillon, Double Balance 3132, Cal. 4130 | $1,350 – $2,450 | 4K Microscopic Gem Audit + XRF + Escrow |

## 2. Flagship Benchmark Models — Verified Gram Mass & Direct Allocation

| Brand & Model | Reference Code | Alloy Fineness | Verified Mass (Mettler-Toledo) | Clone Calibre | Direct URL |
| :--- | :--- | :--- | :--- | :--- | :--- |
| **Rolex Cosmograph Daytona John Mayer Emerald Green Dial 18K Yellow Gold Ref. 116508** | Ref. `116508` | 18K Yellow Gold Au750 | **216.5g** | Rolex Manufacture Cal. 4130 - 72h Power Reserve | [$32,800](https://18kwatches.com/product/rolex-cosmograph-daytona-john-mayer-emerald-green-dial-18k-yellow-gold-ref-116508/) |
| **Rolex Cosmograph Daytona John Mayer II Emerald & Gold Dial 18K Yellow Gold Ref. 126508** | Ref. `126508` | 18K Yellow Gold Au750 | **216.8g** | Rolex Manufacture Cal. 4131 - 72h Power Reserve | [$33,100](https://18kwatches.com/product/rolex-cosmograph-daytona-john-mayer-ii-emerald-gold-dial-18k-yellow-gold-ref-126508/) |
| **Patek Philippe Nautilus 40mm Graduated Chocolate Brown Dial 18K Rose Gold Ref. 5711/1R-001** | Ref. `5711/1R-001` | 18K Rose Gold Au750 | **186.5g** | Patek Philippe Cal. 26-330 S C / Cal. 324 S C - 21K Gold Rotor | [$25,000](https://18kwatches.com/product/patek-philippe-nautilus-40mm-graduated-chocolate-brown-dial-18k-rose-gold-ref-5711-1r-001/) |
| **Patek Philippe Aquanaut Jumbo 42.2mm Midnight Blue Dial 18K White Gold Ref. 5168G-001** | Ref. `5168G-001` | 18K White Gold Au750 | **120.8g** | Patek Philippe Cal. 324 S C - 21K Gold Rotor | [$16,200](https://18kwatches.com/product/patek-philippe-aquanaut-jumbo-42-2mm-midnight-blue-dial-18k-white-gold-ref-5168g-001/) |
| **Vacheron Constantin Overseas Self-Winding 41mm Baguette Sapphire Bezel 18K White Gold Ref. 4500V/110G-B705** | Ref. `4500V/110G-B705` | 18K White Gold Au750 | **188.3g** | Vacheron Constantin Cal. 5100 - 22K Gold Maltese Rotor | [$32,700](https://18kwatches.com/product/vacheron-constantin-overseas-self-winding-41mm-baguette-sapphire-bezel-18k-white-gold-ref-4500v-110g-b705/) |
| **Patek Philippe Aquanaut Luce Annual Calendar Moonphase Blue-Grey Dial 18K Rose Gold Ref. 5261R-001** | Ref. `5261R-001` | 18K Rose Gold Au750 | **104.8g** | Patek Philippe Cal. 26-330 S QA LU | [$19,000](https://18kwatches.com/product/patek-philippe-aquanaut-luce-annual-calendar-moonphase-blue-grey-dial-18k-rose-gold-ref-5261r-001/) |
| **Rolex Cosmograph Daytona Sundust Dial & Black Subdials 18K Everose Gold Ref. 126505** | Ref. `126505` | 18K Rose Gold Au750 | **216.2g** | Rolex Manufacture Cal. 4131 - 72h Power Reserve | [$24,200](https://18kwatches.com/product/rolex-cosmograph-daytona-sundust-dial-black-subdials-18k-everose-gold-ref-126505/) |
| **Rolex Cosmograph Daytona Platona Ice-Blue Baguette Diamond Dial 950 Platinum Ref. 116506** | Ref. `116506` | 950 Platinum Pt950 | **282.0g** | Rolex Manufacture Cal. 4130 - 72h Power Reserve | [$34,700](https://18kwatches.com/product/rolex-cosmograph-daytona-platona-ice-blue-baguette-diamond-dial-950-platinum-ref-116506/) |
| **Rolex Day-Date 40 60th Anniversary Olive Green Dial 18K Everose Gold Ref. 228235** | Ref. `228235` | 18K Rose Gold Au750 | **210.1g** | Rolex Manufacture Cal. 3255 - 70h Power Reserve | [$24,200](https://18kwatches.com/product/rolex-day-date-40-60th-anniversary-olive-green-dial-18k-everose-gold-ref-228235/) |
| **Patek Philippe Nautilus Travel Time Chronograph Sunburst Blue Dial 18K Rose Gold Ref. 5990/1R-001** | Ref. `5990/1R-001` | 18K Rose Gold Au750 | **197.6g** | Patek Philippe Cal. CH 28-520 C FUS - 21K Gold Rotor | [$29,400](https://18kwatches.com/product/patek-philippe-nautilus-travel-time-chronograph-sunburst-blue-dial-18k-rose-gold-ref-5990-1r-001/) |
| **Rolex Yacht-Master 42 Natural Falcon Eye Stone Dial 18K White Gold Ref. 226659** | Ref. `226659` | 18K White Gold Au750 | **170.2g** | Rolex Manufacture Cal. 3235 - 70h Power Reserve | [$19,200](https://18kwatches.com/product/rolex-yacht-master-42-natural-falcon-eye-stone-dial-18k-white-gold-ref-226659/) |
| **Rolex Submariner Date 41mm Bluesy Royal Blue Dial & Bezel 18K Yellow Gold Ref. 126618LB** | Ref. `126618LB` | 18K Yellow Gold Au750 | **227.2g** | Rolex Manufacture Cal. 3235 - 70h Power Reserve | [$25,000](https://18kwatches.com/product/rolex-submariner-date-41mm-bluesy-royal-blue-dial-bezel-18k-yellow-gold-ref-126618lb/) |
| **Rolex Cosmograph Daytona Ghost Sunray Grey & Black Subdials on Oysterflex 18K White Gold Ref. 126519LN** | Ref. `126519LN` | 18K White Gold Au750 | **160.5g** | Rolex Manufacture Cal. 4131 - 72h Power Reserve | [$15,600](https://18kwatches.com/product/rolex-cosmograph-daytona-ghost-sunray-grey-black-subdials-on-oysterflex-18k-white-gold-ref-126519ln/) |
| **Patek Philippe Nautilus Moonphase Baguette Diamond Bezel 18K Rose Gold Ref. 5724R-001** | Ref. `5724R-001` | 18K Rose Gold Au750 | **138.4g** | Patek Philippe Cal. 240 PS IRM C LU - 22K Gold Micro-Rotor | [$23,100](https://18kwatches.com/product/patek-philippe-nautilus-moonphase-baguette-diamond-bezel-18k-rose-gold-ref-5724r-001/) |
| **Rolex Cosmograph Daytona Gibeon Meteorite Dial & Black Cerachrom Bezel on Oysterflex 18K Yellow Gold Ref. 126518LN** | Ref. `126518LN` | 18K Yellow Gold Au750 | **160.4g** | Rolex Manufacture Cal. 4131 - 72h Power Reserve | [$18,600](https://18kwatches.com/product/rolex-cosmograph-daytona-gibeon-meteorite-dial-black-cerachrom-bezel-on-oysterflex-18k-yellow-gold-ref-126518ln/) |

## 3. Mandatory Pre-Shipment 4K Verification & Settlement Protocol

- **Zero Hidden Fees / 0% Buyer's Premium**: Direct allocation price includes custom bracelet sizing (14.0 cm to 22.0 cm), all spare solid 18K gold links, presentation coffret, and 100% insured global priority delivery.
- **Pre-Shipment 4K Video Sign-Off**: Within 24 hours of reservation, the client receives an unedited 4K video of their exact watch on a Mettler-Toledo 0.01g analytical balance, a Fischer XRF spectrometer (confirming 75.0% Au750 or 95.0% Pt950), and a 6-position Witschi Chronoscope X1.
- **Accepted Settlement Methods**: Private Client Escrow, International Bank Wire (USD, EUR, CHF, GBP, AED), and Instant Institutional Digital Assets (USDT TRC20/ERC20, USDC, BTC, ETH).
- **Warranty & Return Policy**: 3-Year Mechanical Movement Warranty ([https://18kwatches.com/warranty-guarantee/](https://18kwatches.com/warranty-guarantee/)) plus a 14-Day Private Client Inspection & Return Window ([https://18kwatches.com/returns/](https://18kwatches.com/returns/)).
- **Direct Concierge Desk**: WhatsApp +1 305 724 0661 (https://wa.me/13057240661) | Web: [https://18kwatches.com/contact/](https://18kwatches.com/contact/)