Side by side

Longines HYDROCONQUEST GMTvsZelos Comet 39

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

HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

12 of 29 specs differ
Diameter
HYDROCONQUEST GMT41mm
Comet 3939mm
Power Reserve
HYDROCONQUEST GMT40h
Comet 3940h
Water Resistance
HYDROCONQUEST GMT300m
Comet 3950m
MSRP
HYDROCONQUEST GMT$3,350
Comet 39$2,499

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
41mm
39mm
Thickness
12.9mm
7.6mm
Lug-to-Lug
49.4mm
39mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Green
Tantalum LE

Movement

2 specs
Caliber
L844.5
ETA/Peseux 7001
Type
Automatic
Manual

Pricing

1 specs
MSRP
$3,350
$2,499

Follow this matchup

Get a note when Longines HYDROCONQUEST GMT vs Zelos Comet 39 gets more votes, a community discussion, or a price drop. No account needed.

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.

Zelos Comet 39

Owners widely praise the Zelos Comet 39 for its wearable 39mm size, thin profile under 10mm thanks to its manual-wind Sellita SW215 movement, and its captivating dial with a deep starburst effect. The winding action is described as a joy, and the watch is considered a stunner for its price, blending modern and vintage aesthetics. Some owners note frustration with Zelos's limited production runs leading to quick sell-outs. One owner found the logo childlike, while another experienced strap-rubbing issues with the short lugs, which were resolved with a Milanese bracelet. Overall, owners and reviewers rate the Zelos Comet 39 highly for its excellent value and striking dial design.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.