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

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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.

Breitling Navitimer B01 Chronograph at true scale

Navitimer B01 Chronograph

Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm at true scale

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 specs
Diameter
41mm
44.25mm
Thickness
13.6mm
16.85mm
Lug-to-Lug
n/a
50mm
Lug Width
n/a
21mm
Material
Stainless Steel & 18k Red Gold
18kt Sedna Gold
Finish
Stainless steel
Steel
Water Resistance
30m
100m

Crystal & Dial

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

Movement

3 specs
Caliber
Breitling B01
Omega 9904
Power Reserve
70h
60h
Complications
Chronograph
Chronograph, Moonphase

Pricing

1 specs
MSRP
$13,350
$42,400
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Breitling Navitimer B01 Chronograph

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.

Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm

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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