Spinnaker PiccardvsYema Superman Tourbillon CMM.31 Limited Edition
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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.

Piccard

Superman Tourbillon CMM.31 Limited Edition
Diameter
45mm
43mm
Lug-to-Lug
52mm
n/a
Thickness
21mm
11.7mm
lowest
Water Resistance
550m
highest
300m
MSRP
$550
lowest
$13,000
Movement
Seiko NH35
Yema CMM.31 Tourbillon
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Spinnaker Piccard for its comfortable wear, excellent readability, and bold, vintage-inspired design. However, some consider it a specialty novelty watch, describing the 45mm case as huge and heavy with a large crystal that hinders legibility, making it an acquired taste. On balance, owners appreciate the Spinnaker Piccard for its distinctive aesthetic and comfortable wear, though its size and legibility are polarizing points.
The Yema Superman Tourbillon CMM.31 Limited Edition is a titanium dive watch praised for its manufacture tourbillon and remarkable price point around €12,000. Owners describe it as an "incredible piece" and a "crazy watch" with impressive specifications, appreciating the "unnecessary" complication. While the 43mm case size is noted as large, its 13.8mm thickness and titanium construction contribute to comfort, though the bracelet clasp's extension system is considered somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for offering a tourbillon complication at a compelling price point, despite some reservations about case size and bracelet finishing.
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