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Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) vs Tissot PRX Powermatic 80 35mm

Omega's chronograph meets Tissot's timepiece

Quick Verdict

The Tissot PRX Powermatic 80 35mm ($500–$1,000) delivers ETA/Tissot Automatic technology in the tier below the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) ($10,000–$25,000). The PRX Powermatic 80 35mm measures 35mm and is rated 100m (10 ATM). The Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) justifies its premium with Swiss Made heritage and Omega Co-Axial Master Chronometer calibre 8912, automatic, METAS certified, time zone function. Both represent excellent choices in the luxury watch category.

OmegaSeamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial)$10,000–$25,000 Check price View the dossier

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Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial)

Omega

Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial)

$10,000–$25,000

Check Price Full Review
Tissot PRX Powermatic 80 35mm

Tissot

PRX Powermatic 80 35mm

$500–$1,000

View the dossierFull Review

Specifications Compared

FeatureOmega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial)Tissot PRX Powermatic 80 35mm
Price$10,000–$25,000$500–$1,000
Case Size55 x 48mm, 18.26mm thick, 48mm lug to lug35mm
MovementOmega Co-Axial Master Chronometer calibre 8912, automatic, METAS certified, time zone functionAutomatic Powermatic 80 (Caliber 80.111)
Caliber TypeOmega 8912, Master ChronometerETA/Tissot Automatic
Power ReserveAbout 60 hours80 Hours
Water Resistance1200m (120 bar)100m (10 ATM)
CrystalFlat sapphire, anti-reflective both sidesSapphire Crystal
Case MaterialGrade 5 titanium with 18k Sedna gold bezel-lock pusher and crown, bidirectional polished blue bezel with Ceragold numerals, helium escape valve, screw-in crownStainless Steel
OriginSwiss MadeSwiss Made

Category-by-Category Analysis

🎨

Design & Aesthetics

Edge: Draw

Omega's design language vs Tissot's approach

The Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) features a Grade 5 titanium with 18k Sedna gold bezel-lock pusher and crown, bidirectional polished blue bezel with Ceragold numerals, helium escape valve, screw-in crown case at 55 x 48mm, 18.26mm thick, 48mm lug to lug with Flat sapphire, anti-reflective both sides protection. The Tissot PRX Powermatic 80 35mm offers Stainless Steel construction at 35mm with Sapphire Crystal. Both represent their brand's distinct design philosophy and heritage.

⚙️

Movement & Performance

Edge: Tissot

Omega Co-Axial Master Chronometer calibre 8912, automatic, METAS certified, time zone function vs Automatic Powermatic 80 (Caliber 80.111)

The Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) runs the Omega Co-Axial Master Chronometer calibre 8912, automatic, METAS certified, time zone function (Omega 8912, Master Chronometer, About 60 hours power reserve) at standard frequency. The PRX Powermatic 80 35mm uses the Automatic Powermatic 80 (Caliber 80.111) (ETA/Tissot Automatic, 80 Hours reserve) at 21,600 vph (3 Hz). The PRX Powermatic 80 35mm offers a longer power reserve.

📏

Wearability & Fit

Edge: Tissot

55 x 48mm, 18.26mm thick, 48mm lug to lug vs 35mm — different wrist presence

At 55 x 48mm, 18.26mm thick, 48mm lug to lug, the Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) has a bolder wrist presence compared to the PRX Powermatic 80 35mm at 35mm. Water resistance differs: 1200m (120 bar) vs 100m (10 ATM).

💰

Value & Cost of Ownership

Edge: Tissot

Tissot sits in the lower tier

The Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) sits at $10,000–$25,000 and the Tissot PRX Powermatic 80 35mm at $500–$1,000. On the specs that outlast any price: the Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) uses Flat sapphire, anti-reflective both sides with About 60 hours, against Sapphire Crystal and 80 Hours on the PRX Powermatic 80 35mm. Service intervals are typically 5-7 years for both.

💧

Water Resistance

Edge: Omega

1200m (120 bar) vs 100m (10 ATM)

The Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) is rated to 1200m (120 bar) while the PRX Powermatic 80 35mm handles 100m (10 ATM). The Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) is better suited for water activities.

Our Verdict

Omega

Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial)

Choose the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) if you prioritize Omega 8912, Master Chronometer engineering, Swiss Made craftsmanship, and 1200m (120 bar) water resistance. At $10,000–$25,000, it delivers Omega Co-Axial Master Chronometer calibre 8912, automatic, METAS certified, time zone function with About 60 hours power reserve.

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Tissot

PRX Powermatic 80 35mm

Choose the Tissot PRX Powermatic 80 35mm if you value ETA/Tissot Automatic technology, Swiss Made heritage, and 35mm proportions. At $500–$1,000, the Automatic Powermatic 80 (Caliber 80.111) with 80 Hours power reserve makes it a compelling choice.

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The Bottom Line

The Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) and Tissot PRX Powermatic 80 35mm represent two distinct approaches to fine watchmaking — the Omega bringing Swiss Made tradition while Tissot delivers Swiss Made engineering.

Frequently Asked Questions

For water, the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) is rated 1200 m against 100 m, which is the difference between swimming and diving on one side and splashes on the other. On price, the Tissot PRX Powermatic 80 35mm sits a band lower ($500–$1,000 against $10,000–$25,000), so it is the cheaper way into the category. Neither is better at everything; the spec table above shows movement, case size, water resistance and crystal side by side so you can weigh what matters to you. We do not test units, so this is the makers' data, not a bench result.
The Tissot PRX Powermatic 80 35mm offers better upfront value, sitting a tier lower at $500–$1,000. However, the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) may justify its premium with superior finishing, heritage, or resale value.
Both are suitable for daily wear. The Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) at 55 x 48mm, 18.26mm thick, 48mm lug to lug with 1200m (120 bar) water resistance handles everyday situations. The PRX Powermatic 80 35mm at 35mm with 100m (10 ATM) is similarly capable. The Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) uses Flat sapphire, anti-reflective both sides while the PRX Powermatic 80 35mm uses Sapphire Crystal.

More Comparisons

Tag Heuer Carrera Chronograph vs Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial)

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Tag Heuer Carrera Chronograph vs Tissot PRX Powermatic 80 35mm

Tag Heuer's chronograph meets Tissot's timepiece

Tissot PRX Powermatic 80 vs Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial)

Tissot's timepiece meets Omega's chronograph

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Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48mm 227.60.55.21.03.001 (titanium and Sedna gold, blue lacquered dial) — Full ReviewTissot PRX Powermatic 80 35mm — Full ReviewBrowse All Guides

How This Page Was Made

Our comparisons are generated from a hand-maintained specification database and reviewed under our editorial standards. We use AI tools to assemble pages from that data. We don’t invent specs: every number traces back to the database, and when we correct an entry, the fix is applied site-wide. As an Amazon Associate, The Horologist earns from qualifying purchases.