Side by side

Bremont Airco Mach 1 JetvsZelos Comet 39

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
Comet 39
ZelosComet 39
MSRP $2,499

At a glance

11 of 29 specs differ
Diameter
Airco Mach 1 Jet40mm
Comet 3939mm
Power Reserve
Airco Mach 1 Jet40h
Comet 3940h
Water Resistance
Airco Mach 1 Jet100m
Comet 3950m
MSRP
Airco Mach 1 Jet$4,500
Comet 39$2,499

Full specifications

Case

6 specs
Category
Pilot
Dress
Diameter
40mm
39mm
Thickness
12mm
7.6mm
Lug-to-Lug
39mm
Material
Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
Tantalum LE

Movement

2 specs
Caliber
ETA/Peseux 7001
Type
Automatic
Manual

Pricing

1 specs
MSRP
$4,500
$2,499

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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.

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.

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