Side by side

Oris Aquis Pro 4000mvsYema Superman Tourbillon CMM.31 Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Aquis Pro 4000m
OrisAquis Pro 4000m
MSRP $6,900
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

18 of 29 specs differ
Diameter
Aquis Pro 4000m49.5mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
Aquis Pro 4000m120 hoursh
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
Aquis Pro 4000m4,000m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
Aquis Pro 4000m$6,900
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

7 specs
Diameter
49.5mm
43mm
Thickness
11.7mm
Lug Width
26mm
22mm
Material
Titanium
Stainless Steel
Finish
Brushed and polished
Water Resistance
4000m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Domed Sapphire
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Blue
Steel
Indices
Applied

Movement

5 specs
Caliber
CALIBRE 400
Yema CMM.31 Tourbillon
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
40h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$6,900
$13,000

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What people say

Owners + reviewers, side by side

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

Oris Aquis Pro 4000m

The Oris Aquis Pro 4000m is widely acknowledged as a substantial dive tool, with reviewers and owners alike noting its impressive 49.5mm diameter and 23.4mm to 25mm thickness. Despite its size, the titanium case and comfortable rubber strap contribute to surprisingly good wearability for some, though others find its dimensions impractical for daily wear. The patented Rotation Safety System for the bezel is praised for its intelligence and functionality, while the in-house Calibre 400 movement offers a 120-hour power reserve and a 10-year warranty. One owner notes that the clasp's quick-adjust pushers can be unintentionally activated during watch removal. Overall, owners and reviewers regard the Oris Aquis Pro 4000m as a stunning, albeit chunky, tool watch whose impressive specifications are its primary draw.

Yema Superman Tourbillon CMM.31 Limited Edition

Owners praise the Yema Superman Tourbillon CMM.31 Limited Edition as an incredible and crazy watch, appreciating its unnecessary tourbillon complication and impressive specifications at a remarkable price point. The titanium construction contributes to comfort despite the 43mm case size. One reviewer notes the bracelet clasp's extension system is somewhat crude. On balance, owners and reviewers rate the Yema Superman Tourbillon CMM.31 Limited Edition highly for its compelling tourbillon feature at an accessible price.

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