# Omega Constellation Co-axial 38 MM Steel on Steel Review by A.I. WatchMetrics

## Watch Summary
The Omega Constellation Co-Axial 38 MM Steel on Steel is a refined dress-sports watch blending timeless elegance with modern reliability, featuring the signature four bezel "claws," constellation star appliques on a sunray silver dial with Roman numerals, and the in-house automatic Master Chronometer Calibre 8800 offering 55 hours of power reserve, 100m water resistance, and 15,000 gauss anti-magnetism, perfect for the sophisticated professional who values versatility from boardroom to weekend outings.

## Overall Watch Rating: 7.8/10.0

**Movement Metric (9.5/10.0)** - The Calibre 8800's Master Chronometer certification, Co-Axial escapement, and superior accuracy surpass most competitors like the ETA 2824 in a Longines.
**Material Metric (9.3/10.0)** - Premium stainless steel construction with sapphire AR crystal and meticulous brushed/polished finishing rivals Patek Philippe entry-level cases in quality.
**Dials & Design Metric (9.4/10.0)** - Iconic claws, guilloche dial, and balanced Roman layout deliver exceptional refinement akin to a vintage Datejust but with contemporary flair.
**Brand Metric (8.7/10.0)** - Omega's storied luxury status and innovation edge it above entry-luxury like Tudor while trailing only ultra-elites like Patek.
**History & Innovation Metric (9.0/10.0)** - Decades of pioneering (Moonwatch, Co-Axial) give it parity with Omega's own Speedmaster legacy.
**Versatility Metric (9.0/10.0)** - 38mm sizing, steel bracelet, and 100m WR make it as adaptable as a Rolex Oyster Perpetual for daily wear.
**Rarity Metric (6.7/10.0)** - Common production in a popular line keeps it below limited Rolex models like the 16710.
**Functions Metric (4.8/10.0)** - Standard hours, minutes, seconds, and date match a basic Seiko Prospex but lack extras at this level.
**Complications Metric (4.2/10.0)** - Simple date window scores like a standard TAG Heuer Aquaracer, far from tourbillon territory.

## Total Performance Score (TPS): 5.2

## WM Collector Grade: B-

## Performance Insights: Excels in movement, materials, and design for luxury appeal, but basic functions and complications temper value against the implied fair price of around $3,200.

## TPS Interpretation: Average Value: The watch delivers solid luxury execution and reliability but basic features suggest better deals exist at lower secondary market prices.

## Watch Data
[https://www.omegawatches.com/media-library/media/123.10.38.21.02.001-front.png] - [Front view of silver dial Constellation]; [https://www.omegawatches.com/media-library/media/123.10.38.21.02.001-back.png] - [Sapphire caseback showing Calibre 8800]; [N/A] - [N/A]; [Constellation 38] - [Omega Constellation 38mm CPO]; [Omega] - [Omega]; [Constellation Co-axial 38 MM Steel on Steel] - [Constellation Co-Axial Master Chronometer 38 mm]; [Switzerland] - [Switzerland]; [https://www.omegawatches.com/en-us/watch-omega-constellation-co-axial-master-chronometer-38-mm-123.10.38.21.02.001] - [https://www.omegawatches.com/en-us/watch-omega-constellation-co-axial-master-chronometer-38-mm-123.10.38.21.02.001]; [https://www.chrono24.com/omega/ref-12310382102001.htm] - [Chrono24 secondary listings]; [Automatic] - [Automatic]; [Omega Co-Axial Master Chronometer Calibre 8800] - [Omega Co-Axial Master Chronometer Calibre 8800]; [1] - [1]; [Elegant 38mm stainless steel Constellation with sunray silver dial, Roman numeral indices, date at 6 o'clock, iconic bezel claws, and matching steel bracelet. Master Chronometer certified, antimagnetic to 15,000 gauss.] - [Elegant 38mm stainless steel Constellation with sunray silver dial, Roman numeral indices, date at 6 o'clock, iconic bezel claws, and matching steel bracelet. Master Chronometer certified, antimagnetic to 15,000 gauss.]; [38] - [38]; [45.9] - [45.9]; [11.65] - [11.65]; [20] - [20]; [100] - [100]; [55] - [55]; [25200] - [25200]; [Super-LumiNova] - [Super-LumiNova]; [35] - [35]; [Stainless Steel] - [Stainless Steel]; [Sapphire with antireflective treatment both sides] - [Sapphire with antireflective treatment both sides]; [Stainless steel with claws] - [Stainless steel with claws]; [Sapphire see-through] - [Sapphire see-through]; [Push-in] - [Push-in]; [Stainless steel bracelet] - [Stainless steel bracelet]; [Round] - [Round]; [Silver sunray] - [Silver sunray]; [Yes] - [Yes]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [Yes] - [Yes]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [5.2] - [5.2]; [B-] - [B-]; [3200] - [3200];

**A.I. WatchMetrics Review v37.4 Grok 4 Fast. December 19, 2025.**