Omega / Seamaster Diver 300M Chronograph / 210.30.44.51.01.001
Omega Seamaster Diver 300M 44mm 210.30.44.51.01.001
The black wave dial concentrates two elapsed-time hands into the 3 o’clock mono-counter, framed by a black ceramic bezel with white diving scale.
$980.00 Original price was: $980.00.$780.00Current price is: $780.00.
Why 210.30.44.51.01.001 stands apart
This Seamaster is chosen for scale and interaction. The 44mm case, black wave dial, ceramic bezel, and steel five-link bracelet create a visibly dense sports-chronograph package, while the stacked hands in the 3 o’clock mono-counter give the dial a layout that is immediately different from a standard three-hand Diver 300M. The black-and-white palette keeps the complication legible instead of adding another color layer.
The Custom Clone 9900 is specified with a mono-counter chronograph, running seconds, independent jumping hour, and date display. That is useful for a buyer who actively wants elapsed-time functions and local-hour adjustment. It is not the discreet option: the 44mm case, 52.8mm lug-to-lug measurement, and 16.7mm thickness are central to the choice. A standard three-hand Seamaster is the better nearby alternative for a slimmer, less top-heavy presence.
Before dispatch, the chronograph should be treated as a key QC item rather than a decorative detail. The stacked 3 o’clock hand set, reset behavior, date presentation, black ceramic surfaces, and bracelet clasp all deserve a deliberate check.
Select it when a large wrist and a preference for mechanical chronograph interaction justify a 44mm, 16.7mm profile.
The Omega Seamaster Diver 300M Chronograph 210.30.44.51.01.001 is a 44mm stainless-steel configuration with a black wave dial, black ceramic bezel, and five-link bracelet. Its defining function is the 3 o’clock mono-counter, where the specified Custom Clone 9900 tracks the chronograph hours and minutes together. At 16.7mm thick, it is intentionally substantial and suits buyers who want the chronograph presence to be part of the wearing experience. Its scale is part of the chronograph experience.
Confirmed configuration
- Movement
- Custom Clone 9900 automatic
- Case Material
- stainless steel
- Bezel
- black polished ceramic with white enamel diving scale
- Crystal
- domed sapphire with double-sided AR coating
- Bracelet
- stainless steel 5-link bracelet with micro-adjust folding clasp
- Water Resistance
- 30m stated
The chronograph defines the profile
The 210.30.44.51.01.001 is a 44mm Seamaster Diver 300M Chronograph with a substantial 16.7mm thickness and 52.8mm lug-to-lug span. Its black wave dial places the running seconds display at 9 o’clock and a mono-counter at 3 o’clock, where the chronograph hour and minute hands share the same visual zone. The result is a busy but purposeful face for a buyer who wants the complication to be seen.
Black ceramic against steel
The polished black ceramic bezel carries a white diving scale and continues the contrast established by the dial. The stainless-steel case and five-link bracelet add weight and reflected light around that dark center, while the folding clasp provides micro-adjustment. This is a deliberately prominent alternative to a three-hand Diver 300M: larger, thicker, and more mechanically expressive. Buyers with smaller wrists or a preference for quiet proportions should choose accordingly.
Functions worth checking
The specified Custom Clone 9900 automatic includes a mono-counter chronograph, running seconds, independent jumping hour, and date display. The independent hour adjustment is useful when changing local time, while the chronograph gives the watch its main point of interaction. The stated 30m water-resistance figure is not a substitute for professional pressure testing before swimming.
QC focus for this reference
Check the wave pattern and dial printing, the stacked 3 o’clock hands, chronograph start, stop, and reset, and the date at 6 o’clock. Inspect the black ceramic bezel scale and both pushers for clean surfaces, confirm the domed sapphire is evenly seated, and test bracelet articulation and clasp micro-adjustment.
The black ceramic surfaces make small alignment issues easy to notice, especially around the bezel scale and the 3 o’clock register. The steel bracelet reinforces the watch’s weight and should articulate smoothly across the wrist. This reference is a considered purchase for someone who enjoys using a chronograph and accepts that its large profile will remain present throughout the day. The large case also gives the stacked counter room to read clearly, so QC should confirm that the hour and minute hands return together and that the date window sits squarely at 6. A smaller three-hand diver will be the calmer alternative.
Questions to settle before ordering
How is the chronograph arranged?
The source specifies a mono-counter at 3 o’clock that combines the chronograph hour and minute indications.
Who is the 44mm size best suited to?
It is intended for buyers who want a prominent, substantial chronograph profile; the 16.7mm thickness is part of that choice.
What should QC verify on the movement functions?
QC should check chronograph start, stop, reset, the independent jumping hour, running seconds, and the date display.
Review the exact configuration before it leaves.
Use model-specific QC proof to confirm the visible details and stated functions that informed your choice.
Contact Support
QC proof before dispatch