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Omega Speedmaster Day-Date 3221.30.00 vs Omega Seamaster 300 Master Chronometer

The Speedmaster Day-Date is the busier, more complicated watch: an automatic chronograph with day, date and month on a steel bracelet. The Seamaster 300 Master Chronometer is the simpler, tougher dive watch with a ceramic bezel, sapphire crystal and a Master Chronometer movement. Buy the Speedmaster if you want a chronograph with calendar functions on a bracelet; buy the Seamaster if you want a cleaner dial, a dive bezel and a movement rated to resist magnetic fields.

  • Choose the Speedmaster Day-Date if you want a chronograph with day, date and month on a steel bracelet and don't mind a thick case.
  • Choose the Seamaster 300 if you want a simpler three-hand dive watch with a ceramic bezel and a Master Chronometer movement.

Prices

  • Omega Speedmaster Day-Date 3221.30.00: $2,702.60 at Marc Gebauer (last seen Nov 13)
  • Omega Seamaster 300 Master Chronometer: $4,500.00 at Oliver Smith Jeweler (last seen Nov 13)
  • Difference: the Omega Speedmaster Day-Date 3221.30.00 is $1,797.40 cheaper than the Omega Seamaster 300 Master Chronometer at the latest prices (Nov 13)
Omega
Omega Speedmaster Day-Date Automatic Chronograph 3221.30.00

Omega Speedmaster Day-Date 3221.30.00

Omega Speedmaster Day-Date Automatic Chronograph 3221.30.00

$2,702.60at Marc GebauerChecked 20 h ago
See all prices and details
Visit Marc Gebauer
Pros
  • Chronograph plus day, date and month in one watch
  • Steel bracelet suits daily wear
  • Classic Speedmaster case shape
  • Extra link included for sizing
Cons
  • 15mm thick and tall on the wrist
  • Busy dial is harder to read at a glance
  • Not built for swimming or diving
  • Calendar needs resetting after months off
Omega
Omega Seamaster 300 Master Chronometer 234.32.41.21.01.001

Omega Seamaster 300 Master Chronometer

Omega Seamaster 300 Master Chronometer 234.32.41.21.01.001

5(18 ratings)
$4,500.00at Oliver Smith JewelerChecked 20 h ago
See all prices and details
Visit Oliver Smith Jeweler
Pros
  • Master Chronometer movement with strong magnetic resistance
  • Sapphire crystal resists scratches
  • Ceramic bezel holds its finish
  • Clean dial is easy to read
Cons
  • No chronograph or calendar complications
  • Leather strap wears faster than a bracelet
  • Dive bezel is less useful if you never time anything
  • Pre-owned examples vary in condition

What separates them

Omega Speedmaster Day-Date 3221.30.00Omega Seamaster 300 Master Chronometer
ComplicationsChronograph plus day, date and month (triple calendar)Hours, minutes, seconds only
BezelTachymeter scale for timing speedBlack ceramic dive bezel
Case size40mm wide, 45mm lug to lug, 15mm thick41mm round case
CrystalHesalite or sapphire depending on versionSapphire
Movement certificationStandard automatic chronographMaster Chronometer, tested for precision and magnetic resistance
Strap or braceletStainless steel bracelet, extra link includedBrown leather strap with tang buckle
Water resistanceNot a dive watch; splash resistant at bestBuilt for diving with a screw-down crown
Dial legibilityBusy: subdials and calendar windowsClean black dial with stick and Arabic indices

Price history

$8,000.00$2,702.60
Nov 13Nov 14
  • Omega Speedmaster Day-Date 3221.30.00: lowest $2,702.60 on Nov 13 at Marc Gebauer.
  • Omega Seamaster 300 Master Chronometer: lowest $4,500.00 on Nov 13 at Oliver Smith Jeweler; $8,000.00 on Nov 14.

Prices at every store

Omega Speedmaster Day-Date 3221.30.00

  • Timepeaks.comPre-owned

    In stock

    $2,069.71Checked 20 h ago
    Visit Timepeaks.com
  • eBayPre-owned

    In stockSold by sevenhours

    $2,685.00Checked 20 h ago
    Visit eBay
  • Marc GebauerNew

    In stock

    $2,702.60Checked 20 h ago
    Visit Marc Gebauer
  • Geneva Watch CompanyNew

    Availability unknown

    $3,573.58Checked 20 h ago
    Visit Geneva Watch Company

Store links may earn us a commission.

All 11 stores and price history →

Omega Seamaster 300 Master Chronometer

  • Sheiban JewelersNew

    In stock

    $7,600.00Checked 20 h ago
    Visit Sheiban Jewelers
  • BuchererNew

    In stock

    $7,600.00Checked 20 h ago
    Visit Bucherer
  • Oliver Smith JewelerNew

    Availability unknown

    $4,500.00Checked 20 h ago
    Visit Oliver Smith Jeweler
  • Topper Fine JewelersNew

    Availability unknown

    $7,600.00Checked 20 h ago
    Visit Topper Fine Jewelers
All 12 stores and price history →

Specs compared

SpecOmega Speedmaster Day-Date 3221.30.00Omega Seamaster 300 Master Chronometer
Movement Type—Automatic
Display Type—Analog
Glass—Sapphire
Gender—Unisex
Case Material—Stainless Steel

What reviewers say

Omega Seamaster 300 Master Chronometer

  • 5 / 518 ratings

Owners rate it highly, praising the movement accuracy, the ceramic bezel and the vintage-inspired dial. Common complaints are the case thickness and the lack of a date.

What people mention
  • AccuracyPraisedOwners report timekeeping well inside Master Chronometer limits.
  • Case thicknessCriticisedSeveral say the case sits taller than rivals and can catch on cuffs.
  • BezelPraisedThe black ceramic bezel is described as sharp-looking and resistant to scratches.
  • DateCriticisedSome daily wearers miss having a date window.

Questions and answers

Which is better for everyday wear?
The Seamaster 300 is easier to live with: thinner, simpler and on a scratch-resistant sapphire crystal. The Speedmaster's bracelet and chronograph suit office wear, but its 15mm thickness catches on cuffs.
Which lasts longer?
Both use automatic Omega movements that hold up for years with servicing. The Seamaster's Master Chronometer certification and ceramic bezel give it an edge in durability, while the Speedmaster's calendar mechanism adds parts that can need attention.
Is the Seamaster worth stepping up to?
If you want a dive watch with magnetic resistance and a clean dial, yes. If you want a chronograph with day and date, the Speedmaster does something the Seamaster cannot.
Can I swim with the Speedmaster Day-Date?
No. It is a chronograph, not a dive watch, and lacks the water resistance and screw-down crown of the Seamaster. Wear the Seamaster near water.
Which is easier to read?
The Seamaster. Its black dial with stick and Arabic indices is cleaner than the Speedmaster's subdials and calendar windows.
Do both come with box and papers?
The Seamaster listing includes watch, box and papers. The Speedmaster listing mentions only an extra link, so confirm what comes with it before buying.

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More comparisons

  • Omega Seamaster Aqua Terra 231.13.42.21.02.003 vs Omega Speedmaster Day-Date Automatic Chronograph 3221.30.00
  • Omega Seamaster Aqua Terra 231.13.42.21.02.003 vs Omega Seamaster 300 Master Chronometer 234.32.41.21.01.001