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Omega Speedmaster Professional Moonwatch vs Rolex Explorer II

Ref. 311.30.42.30.01.005 vs Ref. M226570-0001

Comparing the Omega Speedmaster Professional Moonwatch to the Rolex Explorer II means weighing a significant price difference — is the premium justified? At ~$6,000 (market value) versus $10,750, these two watches serve different segments of the market. Here's how they stack up on specifications, value retention, and investment potential.

Price Comparison

Omega

Speedmaster Professional Moonwatch

RetailDiscontinued
Market Avg$6,000
Market Range$5,000 $7,000
Premium+0.8%
Flip Score4/10 – Moderate

Rolex

Explorer II

Retail$10,750
Market Avg$12,500
Market Range$11,000 $14,000
Premium+16.3%
Flip Score5/10 – Good

The Omega Speedmaster Professional Moonwatch is priced at ~$6,000 (market value) while the Rolex Explorer II comes in at $10,750. On the secondary market, the gap narrows: the Omega Speedmaster Professional Moonwatch trades around $6,000 and the Rolex Explorer II around $12,500, a difference of $6,500 favoring the Omega Speedmaster Professional Moonwatch. Trading at 1% above retail and trending upward, this model holds its value well on the pre-owned market. The Rolex Explorer II commands an even stronger market premium of +16.3%, holding steady. For investors, the Rolex Explorer II edges ahead with a flip potential score of 5/10 compared to 4/10.

Specifications

SpecificationOmega Speedmaster Professional MoonwatchRolex Explorer II
Case Diameter42mm42mm
Case Thickness14.3mm13.0mm
Case MaterialStainless steelOystersteel
BezelStainless steel bezel ring with tachymetre scaleOystersteel, fixed 24-hour graduated bezel
CrystalHesalite crystal front, sapphire casebackSapphire with Cyclops lens
Water Resistance50m / 167ft100m / 330ft
MovementOmega calibre 1861Rolex calibre 3285
Movement TypeManual-windingAutomatic
Power Reserve48 hours70 hours
Bracelet/StrapStainless steel braceletOyster, three-piece solid links
ClaspFolding claspOysterclasp with Easylink 5mm comfort extension
Lug Width20mm21mm

Key specification differences stand out between these two: The Rolex Explorer II leads in water resistance (100m / 330ft vs. 50m / 167ft), and the Rolex Explorer II offers longer power reserve at 70 hours, and the Omega Speedmaster Professional Moonwatch uses Stainless steel while the Rolex Explorer II opts for Oystersteel. With 7 notable spec differences in total, the choice depends on which features matter most to your use case.

Value Per Feature

Per millimeter of case diameter, the Omega Speedmaster Professional Moonwatch costs $143 versus $298 for the Rolex Explorer II. For water resistance, the Omega Speedmaster Professional Moonwatch delivers better value per meter of depth rating. The Omega Speedmaster Professional Moonwatch offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Speedmaster Professional Moonwatch if you value a lower entry price, timing functionality. Go with the Rolex Explorer II if you prioritize stronger flip potential, better value retention. For pure investment potential, the Rolex Explorer II has the edge based on current market data.

Frequently Asked Questions

Which is more affordable, the Omega Speedmaster Professional Moonwatch or the Rolex Explorer II?

The Omega Speedmaster Professional Moonwatch is more accessible, priced at ~$6,000 (market value) compared to $10,750.

Which watch is a better investment?

Based on current market data, the Rolex Explorer II has a higher flip potential score of 5/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.

Which holds its value better on the secondary market?

The Rolex Explorer II currently trades at 16.3% above retail, indicating strong value retention on the pre-owned market.

How do the Omega Speedmaster Professional Moonwatch and Rolex Explorer II compare in size?

The Omega Speedmaster Professional Moonwatch measures 42mm in diameter and 14.3mm thick, while the Rolex Explorer II is 42mm by 13.0mm. Water resistance differs too: 50m / 167ft versus 100m / 330ft.

What movements do these watches use?

The Omega Speedmaster Professional Moonwatch uses the Omega calibre 1861 with 48 hours power reserve, while the Rolex Explorer II runs on the Rolex calibre 3285 offering 70 hours of power reserve.

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