Side by side

Longines HYDROCONQUEST GMTvsYema Navygraf 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
Navygraf CMM.10
YemaNavygraf CMM.10
MSRP $1,899

At a glance

10 of 29 specs differ
Diameter
HYDROCONQUEST GMT41mm
Navygraf CMM.1039mm
Power Reserve
HYDROCONQUEST GMT40h
Navygraf CMM.1040h
Water Resistance
HYDROCONQUEST GMT300m
Navygraf CMM.10100m
MSRP
HYDROCONQUEST GMT$3,350
Navygraf CMM.10$1,899

Full specifications

Case

6 specs
Diameter
41mm
39mm
Thickness
12.9mm
11mm
Lug-to-Lug
49.4mm
46mm
Lug Width
21mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Green
Standard

Movement

1 specs
Caliber
L844.5
Yema CMM.10

Pricing

1 specs
MSRP
$3,350
$1,899

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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 Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.

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