Breitling Superocean Heritage 57vsOmega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm

The Breitling Superocean Heritage 57 is widely praised for its elegant, classy design reminiscent of 1950s dive watches, its slim and wearable 42mm case, and excellent finishing. Owners appreciate its unique wedge-shaped hour markers, mid-century feel, and the depth and beauty of its dials, particularly the shifting brown tones on the Outerknown edition. The comfortable, tapering mesh bracelet and its lighter weight compared to previous models are also noted strengths. The Breitling Superocean Heritage 57 features the Breitling 10 automatic movement, 100m water resistance, and a 42mm case. Some reviewers and owners point to its ETA or Sellita movement as a drawback at its price point, and the non-screw down crown and non-clicky bezel are noted. One owner reported issues with gold oxidation on their model.

Owners praise the Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm for its robust, over-engineered case, functional dial with exceptional lume, and luxurious feel, with some finding the 42mm size perfect for larger wrists. Reviewers note a slimmer 13.8mm thickness and a more modern, angular design with a matte black dial and open-work numerals, powered by the automatic Omega 8912 movement. However, some owners and reviewers find the watch "chunky" or bulky, with proportions that resemble Seiko more than Omega, and a thickness of approximately 15.7mm is noted as a drawback by one owner. The omission of the helium escape valve is also mentioned by reviewers. On balance, owners and reviewers rate the Omega Seamaster Planet Ocean 600M Co Axial Master Chronometer 42mm highly for its robust build and updated, slimmer design at 42mm.