Omega Seamaster Diver 300M 210.30.42.20.01.001
Original price was: $880.00.$720.00Current price is: $720.00.
This Seamaster Diver 300M 210.30.42.20.01.001 pairs a 42mm 316L stainless steel case and bracelet with a polished black ZrO2 ceramic dial featuring a laser-engraved wave pattern. It runs on a custom Calibre 8800 clone with quick-set date, hacking seconds, and no ghost date position, finished with a black ceramic bezel, sapphire crystal with AR coating, and dual-color lume on the rhodium-plated skeleton hands.
42mm Seamaster Diver 300M in 316L Steel
This version of the Omega Seamaster Diver 300M 210.30.42.20.01.001 is built around the modern 42mm format with a 316L stainless steel case and matching stainless steel bracelet. The case is listed at 13.0mm thick and carries the alternating brushed and polished finishing used throughout the watch. On the wrist, the steel bracelet continues that same contrast in finish and closes with a deployant clasp.
The overall configuration stays faithful to the reference’s black ceramic and steel layout, giving this model a very specific identity within the Seamaster Diver 300M line. The bracelet is a five-link design, and the stated build details include solid end links and a functional micro-adjustment mechanism at the clasp.
Polished Black ZrO2 Ceramic Dial with Wave Engraving
The dial is one of the defining features of this watch. It uses polished black ZrO2 ceramic and a laser-engraved wave pattern, creating the familiar Seamaster Diver 300M look in a material setup that is explicitly tied to this reference. The surface reflects light differently from a matte or lacquered dial, while the engraved waves add structure without changing the clean black base.
Hands are rhodium-plated and skeletonized, with dual-color Super-LumiNova for blue-green low-light visibility. The raised hour markers are also lumed, keeping the dial layout consistent with the sport-diver format. Together, the ceramic dial, skeleton hands, and wave engraving deliver the exact visual signature many buyers want from this specific Seamaster configuration.
Black Ceramic Bezel and Sapphire Crystal
Surrounding the dial is a black ceramic bezel with a white enamel diving scale. The bezel is described as unidirectional rotating, and the use of white enamel is a standout construction detail for this model. The combination of black ceramic and white scale keeps the bezel visually crisp and closely aligned with the black-dial theme of the watch.
Protecting the dial is a scratch-resistant sapphire crystal with AR coating. That crystal setup works with the polished ceramic dial and engraved pattern to keep the display clear from different angles while preserving the sharp contrast between the black base and the brighter handset and markers.
Custom Calibre 8800 Clone with Correct Date Function
Inside is the custom Calibre 8800 clone developed for this reference. The movement includes the correct black balance wheel and is built to mirror the authentic Co-Axial style architecture in its presentation. It also provides the crown functionality buyers usually look for on this model, especially the direct quick-set date.
Just as important, this movement is stated to eliminate the ghost date position. That means the date is adjusted through the crown without the extra intermediate position seen on some other builds. Hacking seconds is also included, and the listed power reserve is approximately 36 hours. The movement decoration includes Arabesque Geneva waves across the rotor and bridges, visible through the sapphire caseback.
Reference-Specific Details That Matter
This Seamaster Diver 300M is defined by a narrow set of details executed together: 42mm steel case, polished black ceramic wave dial, black ceramic bezel with white enamel scale, sapphire crystal with AR coating, and a stainless steel bracelet with deployant clasp. For buyers focused on the 210.30.42.20.01.001 reference, those elements are what separate this configuration from other Seamaster variants.
The watch also includes a date display, dual-color lume, and the custom 8800 clone movement architecture that makes this model especially compelling for collectors who want the right feature set in the right format.
Watch specification
Configuration summary for this watch
| Brand | OMEGA |
|---|---|
| Movement | Custom Calibre 8800 clone, quick-set date, hacking seconds, approx. 36 hours |
| Bezel | Black ceramic with white enamel diving scale |
| Crystal | Scratch-resistant sapphire with AR coating |
| Bracelet | 316L stainless steel bracelet with deployant clasp |
| Water Resistance | 30m stated |
Buyer Q&A
Questions about this OMEGA watch
Does the Calibre 8800 clone have a ghost date position?
No. This movement uses a direct quick-set date via the crown and is stated to eliminate the ghost date position.
What materials are used for the dial and bezel?
The dial is polished black ZrO2 ceramic with a laser-engraved wave pattern, and the bezel is black ceramic with a white enamel diving scale.
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