Side by side

Longines HYDROCONQUESTvsYema Superman Tourbillon CMM.31 Limited Edition

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

HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,000
Superman Tourbillon CMM.31 Limited Edition
YemaSuperman Tourbillon CMM.31 Limited Edition
MSRP $13,000

At a glance

19 of 29 specs differ
Diameter
HYDROCONQUEST41mm
Superman Tourbillon CMM.31 Limited Edition43mm
Power Reserve
HYDROCONQUEST72h
Superman Tourbillon CMM.31 Limited Edition40h
Water Resistance
HYDROCONQUEST300m
Superman Tourbillon CMM.31 Limited Edition300m
MSRP
HYDROCONQUEST$2,000
Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

7 specs
Diameter
41mm
43mm
Thickness
11.9mm
11.7mm
Lug-to-Lug
53.5mm
Lug Width
21mm
22mm
Material
Ceramic
Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

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

Movement

6 specs
Caliber
L888.5
Yema CMM.31 Tourbillon
Beat Rate
0 vph
28,800 vph
Power Reserve
72h
40h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes

Pricing

1 specs
MSRP
$2,000
$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.

Longines HYDROCONQUEST

Owners widely praise the Longines Hydroconquest for its attractive sunburst blue dial and accurate timekeeping, with one owner reporting a loss of only 2 seconds per day. However, the bracelet is frequently criticized for lacking micro-adjustments and having pinch-prone links, and the screw-down crown is noted as inconvenient and difficult to operate by multiple owners. Some owners also flag the bezel action as ratchety with back play, and one owner found the lugs sharp and the overall design uncomfortable, leading them to sell the watch. On balance, owners appreciate the Longines Hydroconquest's aesthetic appeal and value, despite significant reservations about its bracelet and crown usability.

From video reviewers

The bezel action is praised for its smooth and precise rotation. Lume brightness is a shared weakness, found to be somewhat lacking. Reviewers disagreed on the watch's value proposition compared to alternatives.

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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