Omega Seamaster Planet Ocean 6000M Co Axial Master Chronometer 45 5mmvsSpinnaker Dumas Automatic

Ref. 215.32.46.21.03.001·MSRP $13,900
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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.

Seamaster Planet Ocean 6000M Co Axial Master Chronometer 45 5mm

Dumas Automatic
Diameter
45.5mm
44mm
Lug-to-Lug
51.9mm
48mm
lowest
Thickness
18.1mm
15mm
lowest
Water Resistance
6000m
highest
300m
Power Reserve
60h
n/a
MSRP
$13,900
$239
lowest
Movement
Omega 8912
Seiko NH35
Case
6 specsCrystal & Dial
1 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners praise the Omega Seamaster Planet Ocean 6000M Co Axial Master Chronometer 45 5mm's excellent finishing and comfortable fit despite its substantial 45.5mm size, with some finding its orange accents surprisingly wearable and its overall feel not obnoxious for a sports watch. Reviewers note a sharper, modern aesthetic and luxurious execution with complex angles and a broad ceramic bezel. Some owners, however, find the 45.5mm size and thickness unsuitable for smaller wrists. The Omega Seamaster Planet Ocean 6000M Co Axial Master Chronometer 45 5mm features the automatic Co-Axial Master Chronometer Calibre 8912 movement with a 60-hour power reserve and no date display. On balance, owners and reviewers appreciate the Omega Seamaster Planet Ocean 6000M Co Axial Master Chronometer 45 5mm for its luxurious finishing and comfortable wearability, though its large size is a consideration for some.
Owners widely praise the Spinnaker Dumas Automatic for its robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.
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