Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mmvsTudor Pelagos FXD Chrono

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.

Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm

Pelagos FXD Chrono
Diameter
44.3mm
43mm
Lug-to-Lug
50mm
n/a
Thickness
16.9mm
13.2mm
lowest
Water Resistance
100m
100m
Power Reserve
60h
70h
highest
MSRP
$42,400
n/a
Movement
Omega 9904
Tudor MT5813
Case
6 specsCrystal & Dial
2 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
The Tudor Pelagos FXD Chrono is widely praised for its lightweight carbon composite case and comfortable fabric strap, making it stable on the wrist during activity. Owners and reviewers note its functional design elements, including a countdown bezel and fixed strap slots, and some find its matte dial with red accents useful for tracking time when cycling computers fail. The automatic caliber MT5813 movement is COSC-certified and offers a 70-hour power reserve, with accuracy reported between -2 to +4 seconds per day. The watch features a cycling-specific tachymeter scale, though its practicality is debated, with some finding the 45-minute counter and crowded scale questionable for actual use. One reviewer noted the pushers felt stiff. On balance, owners and reviewers rate the Tudor Pelagos FXD Chrono highly for its innovative design and comfortable wearability, particularly for those seeking a modern, high-tech sports watch.
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