Breitling Navitimer B01 ChronographvsOmega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm


Ref. 304.63.44.52.01.001·MSRP $42,400
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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.

Navitimer B01 Chronograph

Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm
Diameter
41mm
44.3mm
Lug-to-Lug
n/a
50mm
Thickness
13.6mm
lowest
16.9mm
Water Resistance
30m
100m
highest
Power Reserve
70h
highest
60h
MSRP
$13,350
lowest
$42,400
Movement
Breitling B01
Omega 9904
Case
7 specsCrystal & Dial
2 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Breitling Navitimer B01 Chronograph as an iconic and beautiful aviation watch, with particular admiration for its dial layout, bracelet construction, and overall aesthetic. Some owners report the watch is not robust enough for daily work wear, and one owner found the dial busy. There is a split opinion on the updated logo, with one owner strongly disliking it. On balance, owners rate the Breitling Navitimer B01 Chronograph highly for its iconic design and aesthetic appeal.
The Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm is widely praised for its detailed and photorealistic moonphase complication, featuring a boot print Easter egg, and its exceptional finishing, including a ceramic bezel and sun-brushed dial. Owners and reviewers consistently highlight the beauty of the complication and the overall build quality. However, the watch's 44.25mm case size and considerable thickness (around 16.85mm to 17mm) are frequently noted as making it wear large and potentially challenging to fit under dress cuffs, with some suggesting it feels "chunky" or like a "beast." One reviewer found the crown guards sharp when winding and the crown difficult to pull out. On balance, owners and reviewers appreciate the Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm for its stunning moonphase detail and high-end finishing, despite its substantial size.
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