Clean Factory Rolex Submariner 116618LN – 40mm Black Dial, 18k Gold Plated & DD3135 Clone

The Ultimate Contrast: Mastering the 18k Gold & Black Cerachrom

At a glance, the 40mm 116618LN in full yellow gold is an incredibly aggressive, high-impact tool watch. While the blue dial variant gets a lot of attention, the black dial 116618LN delivers a striking, high-contrast aesthetic that feels distinctly powerful. Once you put Clean Factory’s latest Dandong 3135 build under a macro lens, four aesthetic and structural details explain why this is the definitive full-gold Submariner:

1. Fade-Resistant 18k Gold Plating: Replicating solid gold is where most factories fail. Clean utilizes a proprietary, heavy 18k electroplating process over the 904L steel base. This completely avoids the harsh, brassy “cheddar cheese” tone found on lower-tier replicas, guaranteeing a warm, buttery luster that mirrors OEM Rolex gold perfectly and remains fade-resistant through years of daily wear.
2. Gold-Dusted Cerachrom Bezel: Look closely at the black ceramic insert. Unlike stainless steel Submariners that use platinum fill, the 116618LN features recessed 60-minute graduations treated with real yellow gold PVD sputtering. Clean matches this gold fill perfectly to the case plating, ensuring the numerals remain brilliantly reflective and highly fade-resistant against UV light and natural skin oils.
3. The 40mm Maxi-Case & Flush SELs: Zoom in on where the bracelet meets the case. Clean perfectly replicates the classic, squared-off “maxi-case” lug geometry of the pre-41mm era. On a full gold watch, any gaps are glaringly obvious—Clean’s Solid End Links (SELs) are machined to sit completely flush against the lugs, eliminating daylight bleed and providing a rigid, premium feel on the wrist.
4. Gloss Black Canvas & Solid Pinion: Inspect the center of the deep black lacquer dial. The glossy black surface creates a stark background that makes the 18k gold-plated hands and hour marker surrounds pop beautifully. Furthermore, the central hand stack features a properly capped, solid pinion—completely avoiding the hollow “donut hole” giveaway that hardcore enthusiasts always check for.

Caliper & Bench Specifications: Clean 116618LN

Inside the Case: Inspecting the Dandong DD3135 Super Clone

Powering this classic precious metal reference is the legendary Dandong DD3135. Known throughout the modding community as the most robust and accurate 1:1 clone of the original Rolex caliber, it delivers three major advantages:

• Genuine Mechanics & Feel: It operates exactly like the OEM caliber, providing the correct tactile feedback during clockwise time-setting and a crisp, instantaneous date jump exactly at midnight.
• The Ultimate “Franken” Canvas: Because the architecture is a 1:1 mirror of the genuine 3135, this movement is a dream for modders. It effortlessly accepts authentic Rolex replacement parts (like a gen datewheel, reversing wheels, or balance bridge) without any custom milling.
• Proven Reliability: Regulated before shipping, the DD3135 provides a highly stable ~40-hour power reserve and excellent amplitude, ensuring years of dependable daily wear.

Clean Factory vs. VS Factory (VSF) 116618LN: The Honest Breakdown

Seasoned buyers on watch forums constantly debate between Clean Factory (CF) and VS Factory (VSF) for gold Submariners. Here is an objective comparison without the sales hype:

• Gold Tone Accuracy (Winner: Clean Factory): This is the ultimate deciding factor for any two-tone or full-gold replica. VSF’s yellow gold plating is notoriously a shade too bright, occasionally looking overly yellow or “brassy” in direct sunlight. Clean’s proprietary 18k tone is the undisputed industry standard, perfectly capturing the deeper, warmer luster of genuine Rolex gold.
• Case Hardware & SEL Fitment (Winner: Clean Factory): Clean holds a noticeable edge in external hardware. Their gold-plated Oyster bracelet has superior brushing, and the SEL fitment is much tighter than VSF’s, which is critical for making a heavy gold watch feel solid rather than rattly.
• Crystal Clarity (Winner: VSF by a hair): VSF is famous for its ultra-clear crystal and “black hole” effect on the cyclops. While Clean’s latest crystal is vastly improved, VSF still retains a microscopic edge in raw AR coating clarity. However, because accurate gold color is exponentially more important than a fractional crystal difference, 99% of purists choose Clean Factory for precious metal builds.

Practical Ownership Notes (Plating Care & Sizing)

• Preserving the 18k Plating: Never use abrasive polishing cloths (like Cape Cod) on this watch, as they will slowly strip the proprietary fade-resistant gold plating. Clean it gently with mild soap and warm water using your bare hands, then pat dry with a soft microfiber towel.
• Glidelock Adjustment: Inside the clasp, the tool-free Glidelock mechanism allows you to pull the toothed rack outward to instantly adjust the bracelet in 2mm increments (up to 20mm total). This provides a perfect fit as your wrist swells on hot days.
• Screwdriver Warning: The removable plated Oyster links are secured with threaded screws. Always use a proper 1.6mm hollow-ground flathead screwdriver when sizing the bracelet to avoid stripping the screw heads or scratching the sides of the gold links.