Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mmvsRolex Yacht-Master II

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm at true scale

Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm

Rolex Yacht-Master II at true scale

Yacht-Master II

Diameter

42mm

44mm

Lug-to-Lug

47.5mm

n/a

Thickness

13.2mm

n/a

Water Resistance

50m

100m

highest

Power Reserve

50h

72h

highest

MSRP

$36,100

lowest

$60,700

Movement

Omega 3861

4162

Case

8 specs
Diameter
42mm
44mm
Thickness
13.18mm
n/a
Lug-to-Lug
47.5mm
n/a
Lug Width
20mm
n/a
Material
18kt Sedna Gold
18 kt yellow gold
Finish
Steel
n/a
Water Resistance
50m
100m
Caseback
n/a
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

4 specs
Crystal Shape
Domed
Flat
Dial Color
Black
White
Indices
n/a
Index
Lume
None
Chromalight

Movement

6 specs
Caliber
Omega 3861
4162
Type
Manual
Automatic
Beat Rate
0 vph
28,800 vph
Power Reserve
50h
72h
Jewels
0
47
Complications
Chronograph
Regatta Timer, Small Seconds

Pricing

1 specs
MSRP
$36,100
$60,700
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm

Owners widely praise the Omega Speedmaster Moonwatch Professional Co Axial Master Chronometer Chronograph 42mm for its historical significance, iconic design, and wearability, with some finding it provides more personal satisfaction than more expensive watches. Reviewers note the updated 3861 movement offers improved accuracy and magnetic resistance, and the bracelet is a significant enhancement. The redesigned case and dial details are seen as aesthetic advances, and the Hesalite crystal, while scratch-prone, is polishable. Some owners find the current prices too high, suggesting it is overrated and overpriced at $7,000, citing a lack of applied markers and mediocre lume, while others disagree, highlighting its value at lower price points and its status as the best movement in the line.

Rolex Yacht-Master II

Owners widely praise the Rolex Yacht-Master II's ingenious mechanical complexity, specifically its programmable regatta countdown timer with a flyback function and retrograde minute hand. Reviewers note the redesigned model features a 72-hour power reserve and accuracy to -2/+2 seconds per day. The 44mm case size is considered large by many, and its bold, "in your face" styling and busy dial are polarizing, with some finding it ugly and others gorgeous. The regatta timer complication is seen by some as overly niche and impractical, while others appreciate its unique aesthetic and satisfying flyback functionality. On balance, owners and reviewers rate the Rolex Yacht-Master II highly for its unique and complex regatta timer complication, despite its polarizing design and size.

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