Omega Constellation Co Axial Master ChronometervsRolex Lady-Datejust

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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 Constellation Co Axial Master Chronometer at true scale

Constellation Co Axial Master Chronometer

Rolex Lady-Datejust at true scale

Lady-Datejust

Diameter

29mm

28mm

Lug-to-Lug

31.2mm

n/a

Thickness

12mm

n/a

Water Resistance

50m

100m

highest

Power Reserve

50h

55h

highest

MSRP

$8,500

lowest

$9,150

Movement

Omega 8700

2236

Case

7 specs
Diameter
29mm
28mm
Thickness
12mm
n/a
Lug-to-Lug
31.2mm
n/a
Material
Stainless Steel
Rolesor
Finish
Steel
18 kt yellow gold
Water Resistance
50m
100m
Caseback
n/a
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

2 specs
Crystal Shape
Domed
Flat
Indices
n/a
Roman numerals

Movement

5 specs
Caliber
Omega 8700
2236
Beat Rate
0 vph
28,800 vph
Power Reserve
50h
55h
Jewels
0
31
Complications
None
Date

Pricing

1 specs
MSRP
$8,500
$9,150
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Reviews

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

Omega Constellation Co Axial Master Chronometer

Owners widely appreciate the Omega Constellation Co Axial Master Chronometer for its clean design and refined, elegant look, with some calling it the most underrated model in Omega's lineup and a personal favorite. Reviewers describe the 29mm Constellation as a handsome, well-built precision chronometer with a silky sun-brushed dial and an elegant monochromatic look. Owners express pride in ownership, viewing it as a potential heirloom. However, some owners note that Omega does not sell alternative straps for the watch. One reviewer considers the 29mm model's 50m water resistance and scarce lume to disqualify it as a sports watch. Owners report that Omega's parts policy for Co-Axial movements can lead to higher servicing costs at official centers. Overall, owners and reviewers highly regard the Omega Constellation Co Axial Master Chronometer for its elegant design and build quality.

Rolex Lady-Datejust

Owners widely praise the Rolex Lady-Datejust for its elegant design and beautiful dials, with many finding the 28mm case size perfect for smaller wrists. Some owners note the date wheel printing appears low in the window, and the watch is generally not considered a good investment due to depreciation. Availability and pricing are significant concerns, with wait times varying from weeks to months and preowned prices ranging from $3,500 to $6,000. On balance, owners rate the Rolex Lady-Datejust highly for its aesthetic appeal and comfortable wearability on smaller wrists, despite its limited investment potential.

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