In 1926, Hans Wilsdorf changed watchmaking forever by introducing the world’s first hermetically sealed, waterproof wristwatch case: the Rolex Oyster. To celebrate the centennial of this industry-defining achievement (1926–2026), Rolex unveiled the Oyster Perpetual 41 100th Anniversary Edition (Ref. 134303).

Rather than relying on excessive commemorative branding, Rolex opted for an exercise in subtle, purposeful distinction. The 134303 introduces an unorthodox interpretation of Rolesor: an 18k yellow gold domed bezel and crown paired strictly with a full Oystersteel bracelet, complemented by a slate sunray dial, signature Rolex-green accents, and a discrete tribute at 6 o’clock.

The arrival of the Clean Factory Oyster Perpetual 41 “100 Years” Edition brings this historic reference into sharp focus. Fitted with a 1:1 Dandong Caliber 3230 Super Clone movement, authentic gold wrapping, and laser-precise dial typography, Clean Factory delivers one of the most compelling commemorative builds to date.

Clean Factory Oyster Perpetual 134303 Quick Specifications

Hands-On 4K Video Walkthrough

1. The Dial: Slate Sunray, Green Branding & The “100 YEARS” Signature

The dial of the Ref. 134303 is an understated masterclass in balanced contrast. Instead of standard black or white, it features a rich slate-grey sunburst foundation with warm metallic highlights.

Clean Factory captured the nuanced commemorative details with extreme fidelity:

• The Centennial Inscription: At the 6 o’clock position, the traditional “Swiss Made” printing is replaced by the commemorative | 100 YEARS | signature, nestled cleanly beneath the double baton markers.
• Heritage Green Accents: The printed “ROLEX” branding below the 12 o’clock coronet is rendered in signature Rolex green rather than standard white or gold. This green tone is carried over to the minute track, where small square blocks mark every five-minute interval.
• Sunburst Radial Brushing: The slate dial utilizes microscopic radial brushing that shifts from graphite to deep anthracite depending on ambient light, eliminating the muddy grey finish seen on inferior dials.
• 18k Yellow Gold Plots: The double-baton hour markers at 3, 6, and 9 o’clock and the faceted hands are crafted in 18k yellow gold wrapping, filled with blue Chromalight luminous material that glows uniformly for up to 9 hours.

2. The Restrained Rolesor Case & The “100” Relief Crown

Traditional two-tone watches feature gold center bracelet links. The Ref. 134303 deliberately breaks from this convention to pay homage to the utilitarian spirit of the original 1926 Oyster.

• Smooth Domed Gold Bezel: Clean Factory wraps the domed bezel in heavy 18k yellow gold, matching the warm, pale tone of genuine Rolex gold without looking overly orange or brassy.
• The “100” Crown Relief: Inspecting the 3 o’clock winding crown reveals the watch’s most charming micro-detail: a distinct “100” engraved in raised relief beneath the Rolex coronet. Clean Factory achieved sharp, three-dimensional definition on the digits without rounded edges.

3. Dedicated Dandong 3230: True No-Ghost-Date Mechanics

A widespread defect among entry-tier time-only replicas is the use of date-equipped movements (like Caliber 3235) tucked behind a closed dial. This results in an annoying “ghost date” position when pulling the crown.

Clean Factory addresses this with the 1:1 Custom Dandong Caliber 3230 Super Clone Movement (as indicated by the “3230 super” bracelet seal):

• Pure Two-Position Stem Logic: The movement features strictly two crown states: Position 1 for manual winding when unscrewed, and Position 2 for time-setting with instantaneous balance wheel stop-seconds (hacking). There is zero dead click.
• ~70-Hour Weekend-Proof Power Reserve: Engineered with Dandong’s optimized mainspring architecture, the movement operates at a high-beat 28,800 VPH (4Hz) while delivering a genuine 70-hour power reserve.
• Internal Aesthetics: The caliber features factory-spec bridge beveling, Paraflex shock absorption springs, and clean gold engravings across the rotor and bridges.

4. Case Ergonomics & 904L Oyster Bracelet

The 41mm Oystersteel case retains the classic Oyster proportions with an 11.6mm thickness that slides easily beneath a shirt cuff.

• Solid End Links (SEL): The integration between the case lugs and the bracelet end links is tight, displaying zero vertical play or uneven gaps.
• All-Steel Oyster Bracelet: Satin-brushed across the link surfaces with mirror-polished side profiles, the bracelet provides durable everyday wear without the fear of wearing through gold plating on high-contact desk areas.
• Oysterclasp with Easylink: The clasp engages with a solid mechanical snap, incorporating the practical 5mm Easylink extension to adjust for wrist swelling throughout the day.

Frequently Asked Questions

What makes the Oyster Perpetual 134303 different from standard OP 41 models?

The Ref. 134303 is a 100th-anniversary commemorative edition celebrating the 1926 Oyster case. It features a yellow gold smooth bezel, an 18k gold crown with a “100” relief, a slate sunray dial with green accents, and a | 100 YEARS | signature replacing “Swiss Made” at 6 o’clock.

Does the Clean Factory 134303 have a ghost date click?

No. Clean Factory utilizes the dedicated Dandong Caliber 3230 time-only movement. The crown pulls directly from the winding position to the time-setting position without any intermediate ghost date position.

How does the gold bezel hold up over time?

Clean Factory utilizes a heavy gold-wrapped process with a protective coating rather than standard thin flash-plating, preventing the bezel from flaking or tarnishing under regular daily wear.

Technical Summary

The Clean Factory Oyster Perpetual 41 “100 Years” (Ref. 134303) stands as an exceptional execution of a once-in-a-century anniversary reference. By accurately replicating the slate sunburst dial, integrating genuine-spec green accents and the 100 YEARS signature, and powering it with a no-ghost-date Dandong 3230 caliber, Clean Factory has delivered a technically accomplished, highly collectible timepiece for the modern enthusiast.