Side by side

Longines HYDROCONQUEST GMTvsYema Superman Bronze CMM.10

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

HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350
Superman Bronze CMM.10
YemaSuperman Bronze CMM.10
MSRP $1,699

At a glance

9 of 29 specs differ
Diameter
HYDROCONQUEST GMT41mm
Superman Bronze CMM.1039mm
Power Reserve
HYDROCONQUEST GMT40h
Superman Bronze CMM.1040h
Water Resistance
HYDROCONQUEST GMT300m
Superman Bronze CMM.10300m
MSRP
HYDROCONQUEST GMT$3,350
Superman Bronze CMM.10$1,699

Full specifications

Case

5 specs
Diameter
41mm
39mm
Thickness
12.9mm
11mm
Lug-to-Lug
49.4mm
Lug Width
21mm
19mm
Material
Stainless Steel
Bronze

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Green
Bronze

Movement

1 specs
Caliber
L844.5
Yema CMM.10

Pricing

1 specs
MSRP
$3,350
$1,699

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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 GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

Yema Superman Bronze CMM.10

The Yema Superman Bronze CMM.10 is praised for its neo-vintage dive watch aesthetic, featuring a bronze case with brushed and polished finishing and a gradient blue sandwich dial with Super-LumiNova. It is powered by the in-house CMM.10 automatic movement, which offers a 70-hour power reserve and chronometric precision rated at -3/+5 seconds per day. The watch is available in 39mm and 41mm case sizes and comes on FKM Viton rubber straps. It was offered at a pre-order price of €999. Overall, reviewers highlight the Yema Superman Bronze CMM.10 as a refined neo-vintage dive watch with a capable in-house movement and attractive finishing.

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