Side by side

Bremont Airco Mach 1 JetvsLongines HYDROCONQUEST GMT

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

Airco Mach 1 Jet
BremontAirco Mach 1 Jet
MSRP $4,500
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

10 of 29 specs differ
Diameter
Airco Mach 1 Jet40mm
HYDROCONQUEST GMT41mm
Power Reserve
Airco Mach 1 Jet40h
HYDROCONQUEST GMT40h
Water Resistance
Airco Mach 1 Jet100m
HYDROCONQUEST GMT300m
MSRP
Airco Mach 1 Jet$4,500
HYDROCONQUEST GMT$3,350

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
40mm
41mm
Thickness
12mm
12.9mm
Lug-to-Lug
49.4mm
Lug Width
20mm
21mm
Material
Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

1 specs
Caliber
L844.5

Pricing

1 specs
MSRP
$4,500
$3,350

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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.

Bremont Airco Mach 1 Jet

The Bremont Airco Mach 1 Jet is widely praised for its vintage-inspired design, 40mm size, and excellent legibility, featuring a satin-finished case with polished bevels and a matte dial with red-orange accents. Reviewers highlight its strong proportions, 100 meters of water resistance, and COSC-certified BE-92AE automatic movement. The watch is powered by the BE-92A automatic movement with a 38-hour power reserve. Overall, reviewers consider the Bremont Airco Mach 1 Jet an excellent everyday pilot's watch for its blend of vintage aesthetics and practical features.

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.

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