Omega - De Ville Prestige Co-Axial Chronometer - 424.10.40.20.03.001 - Men - 2010-2020

Omega De Ville Prestige Co-Axial Chronometer 424.10.40.20.03.001 – 39.5 mm – automatic – blue dial – date – stainless steel bracelet – caliber 2500

Elegant Omega De Ville Prestige Co-Axial Chronometer with a classic 39.5 mm case, deep blue sun-brushed dial, and full stainless steel construction. The combination of polished Roman numerals, slender hour markers, and the fine Prestige bracelet gives the watch a distinctly dressed look.

The watch is powered by the automatic Omega Co-Axial caliber 2500. This chronometer movement combines a Co-Axial escapement with a power reserve of about 48 hours and a frequency of 25,200 alternations per hour.

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Basic information
Brand: Omega
Collection: De Ville Prestige
Model: Co-Axial Chronometer
Reference: 424.10.40.20.03.001
Diameter: 39.5 mm
Case material: stainless steel
Dial: blue, sun-brushed
Movement: automatic mechanical
Caliber: Omega 2500
Functions: hours, minutes, central second, and date
Chronometer: yes
Bracelet: stainless steel
Crystal: sapphire crystal
Water resistance according to model specification: 3 bar / 30 meters

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Important details
This version is distinguished by the deep blue dial combined with a fully polished stainless Prestige bracelet. The dial features a classic sector-style layout with a subtle inner ring.

Polished Roman numerals are placed at 12, 9, and 6 o’clock. The remaining positions are equipped with slender polished baton indices. At 3 o’clock there is both the Roman numeral III and the framed date display.

The embossed Omega signature and the inscription “De Ville” are located below 12 o’clock. Above 6 o’clock read “CO-AXIAL” and “CHRONOMETER.”

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Year of construction
Estimated production period: circa second half of the 2010s to early 2020s.
This reference is no longer in production. Without dated documentation, no more specific individual production year is assigned.

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Case
Diameter: 39.5 mm
Thickness: about 9.75 mm
Lug-to-lug: about 44.8 mm
Lug width: 20 mm
Material: stainless steel
Finish: predominantly high-gloss polished
Bezel: smooth polished stainless steel bezel
Glass: domed sapphire crystal with anti-reflective treatment on the inner side

The relatively slim case and curved lugs give the watch the classic profile that characterizes the De Ville Prestige series.

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Dial
Color: deep blue
Finish: sun-brushed / sunburst finish
Indices: polished applied baton indices
Roman numerals: XII, IX, VI and III
Hands: polished central hour, minute, and second hands
Date: window at 3 o’clock
Inscription: OMEGA / De Ville / CO-AXIAL / CHRONOMETER / SWISS MADE

The sun-brushed finish causes the blue to noticeably change with the light, ranging from almost dark navy to a brighter steel-blue tint.

The dial is in neat and clear condition. The fine points that may be visible at high magnification are hardly noticeable with normal use.

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Movement
Caliber: Omega 2500
Type: automatic mechanical
Escapement: Omega Co-Axial
Chronometer: yes
Frequency: 25,200 A/h / 3.5 Hz
Jewels: 27
Power reserve: about 48 hours
Functions: hours, minutes, central seconds, and date

The Omega 2500 belongs to the earlier generations of automatic Co-Axial movements from the brand and forms the mechanical heart of this generation De Ville Prestige.

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Timegrapher measurement
Running gain: +1 second per day
Amplitude: 348°
Beat error: 0.2 ms
Lift angle: 52.0°
Frequency: 25,200 A/h

The measured rate deviation is very limited. The amplitude is relatively high. These values are a snapshot in the measured position and do not constitute a guarantee of daily accuracy or future technical condition of the movement.

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Crown
The watch is equipped with a finely ridged Omega-signed crown. The crown size and classic shape fit well with the slim character of the De Ville Prestige.

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Case back
The case back is solid stainless steel. The central part has a brushed finish and bears the Omega logo and brand name.
The polished outer edge blends with the high-gloss finish of the case.

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Stainless steel bracelet
The watch features the characteristic fine multi-row Prestige bracelet. The small polished links provide a smooth and graceful appearance and sit directly against the lugs.
Material: stainless steel
Bracelet type: multi-row Prestige bracelet
Finish: high-gloss polished
Clasp: Omega-signed clasp

The bracelet and clasp show light superficial wear and hairlines, in line with normal wear on polished steel.
The current configuration fits a wrist of about 17.5–18 cm.

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Water resistance
The original model specification is 3 bar / 30 meters.
For a used watch, the current water resistance cannot be guaranteed based on the original factory specification. For use in contact with water, an up-to-date pressure test is advised.

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Condition
Case: good used condition with light hairlines and superficial signs of wear on polished parts.
Bezel: neat, with light superficial signs of wear.
Dial: neat and clear condition.
Crystal: clear and without notable heavy damage.
Crown: neat used condition.
Case back: light superficial signs of wear.
Bracelet: neat used condition with normal fine scratches and hairlines on the polished links.
Clasp: visible light scratches and signs of wear, without noticeable heavy damage.

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Overall condition
A well-maintained Omega De Ville Prestige Co-Axial Chronometer in the classic 39.5 mm version with blue sun-brushed dial and stainless Prestige bracelet. The combination of the slender polished case, Roman numerals, and deep blue dial gives the model an elegant, timeless appearance.
Technically, it is equipped with the automatic Omega Co-Axial caliber 2500 with chronometer certification. The measured value of +1 second per day is a neat snapshot. cosmetically, there are mainly light normal signs of use on the high-gloss polished stainless surfaces.