Breitling Superocean Heritage B31 AutomaticvsOmega Seamaster Diver 300M Co Axial Master Chronometer 42mm


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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.

Superocean Heritage B31 Automatic

Seamaster Diver 300M Co Axial Master Chronometer 42mm
Diameter
42mm
42mm
Lug-to-Lug
n/a
49.9mm
Thickness
12.0mm
lowest
13.6mm
Water Resistance
200m
300m
highest
Power Reserve
78h
highest
55h
MSRP
$8,050
lowest
$16,600
Movement
Breitling B31
Omega 8800
Case
6 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Breitling Superocean Heritage B31 Automatic's excellent finishing and attractive sunburst dials, with some calling it the nicest Breitling they have seen. The watch is noted for its comfortable wearability, with a mesh bracelet that hugs the wrist and a case that feels paradoxically heavy yet disappears after a few seconds. The B31 automatic movement offers a 78-hour power reserve and COSC certification. However, the design is divisive, with some disliking its aesthetic and short hands, and the use of a Sellita SW200 movement at its price point is a criticism for some. The white date display at 6 o'clock is also noted as potentially divisive. On balance, owners and reviewers appreciate the Breitling Superocean Heritage B31 Automatic for its refined finishing and comfortable wearability, with the updated movement and bracelet being key highlights.
Owners widely praise the Omega Seamaster Diver 300M Co Axial Master Chronometer 42mm for its impressive detail, versatile design that bridges toolish and elegant, and satisfying bezel action. Reviewers highlight its wearability, with the 42mm case and 13.7mm thickness considered just right, and note the white ceramic dial with red accents pops. Owners also commend its case finishing and legible dial with bold indices, with one owner considering it a timepiece that can be passed down. The Omega 8800 movement is recognized for its precision and magnetic resistance, offering a 55-hour power reserve. Some owners find the black dial lacks shine indoors and wish for brighter hour markers, while one reviewer notes the ceramic case is prone to shattering and the exhibition case back has sharp edges. The mesh bracelet's clasp is criticized by one reviewer for being bulky, and another points out thickness around the clasp as a drawback.
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