Omega Constellation Co Axial Master ChronometervsSeagull Ultra-thin Couple 18K Gold Business Leisure Calendar 42mm/36mm

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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

Seagull Ultra-thin Couple 18K Gold Business Leisure Calendar 42mm/36mm at true scale

Ultra-thin Couple 18K Gold Business Leisure Calendar 42mm/36mm

Diameter

29mm

42mm

Lug-to-Lug

31.2mm

n/a

Thickness

12mm

9mm

lowest

Water Resistance

50m

50m

Power Reserve

50h

n/a

MSRP

$11,200

$1,796

lowest

Movement

Omega 8700

ST18

Case

6 specs
Diameter
29mm
42mm
Thickness
12mm
9mm
Lug-to-Lug
31.2mm
n/a
Lug Width
n/a
20mm
Material
Steel & Yellow Gold
Bronze
Finish
Steel
n/a

Crystal & Dial

2 specs
Crystal Shape
Domed
n/a
Dial Color
Silver
n/a

Movement

4 specs
Caliber
Omega 8700
ST18
Power Reserve
50h
0h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$11,200
$1,796
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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 praise the Omega Constellation Co Axial Master Chronometer for its clean design and consider it the brand's most underrated model, with some viewing it as a potential heirloom. Reviewers note its handsome, well-built, and refined case, along with a silky sun-brushed dial. However, owners are restricted to Omega-supplied straps, as the Constellation's notched strap design is incompatible with standard alternatives. One owner flags that Omega's refusal to supply parts for Co-Axial movements leads to higher servicing costs at official centers. Overall, owners and reviewers rate the Omega Constellation Co Axial Master Chronometer highly for its elegant design and build quality, despite servicing and strap limitations.

Seagull Ultra-thin Couple 18K Gold Business Leisure Calendar 42mm/36mm

The Seagull Ultra-thin Couple Watch 18K Gold Business Leisure Calendar 42mm/36mm is noted for its automatic thinness, making it a consideration for a dress watch. Owners praise its dial, which features a matte silver finish with a circular brushed subdial. One owner found a similar Seagull model to be well-made with good materials, finishing, sapphire with AR, and a quality leather strap, feeling superior to typical Aliexpress microbrands and comparable to Oris or Tissot. The movement does not hack. Overall, owners appreciate the Seagull Ultra-thin Couple Watch 18K Gold Business Leisure Calendar 42mm/36mm for its dress watch appeal and quality finishing at its price point.

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