Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsUndone Basecamp Stealth Automatic

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

Add a watch
Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365
See the full Flyboy Airmaster GMT Automatic
Basecamp Stealth Automatic
UndoneBasecamp Stealth Automatic
MSRP $432
See the full Basecamp Stealth Automatic
Buy from AVI-8 ↗
Buy used on eBay ↗
Buy from Undone ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Basecamp Stealth Automatic40mm
Power Reserve
Flyboy Airmaster GMT Automatic—
Basecamp Stealth Automatic—
Water Resistance
Flyboy Airmaster GMT Automatic50m
Basecamp Stealth Automatic100m
MSRP
Flyboy Airmaster GMT Automatic$365
Basecamp Stealth Automatic$432

Full specifications

Case

6 specs
Category
GMT
—
Thickness
—
0mm
Lug-to-Lug
—
0mm
Lug Width
—
0mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
—
Dial Color
Black
—

Movement

1 specs
Power Reserve
0h
—

Pricing

1 specs
MSRP
$365
$432
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.

Islander Islander Melville GMT with Blue Hammer Dial #ISL-222
Islandermicro
Under $50

Islander Melville GMT with Blue Hammer Dial #ISL-222

9 watches · 9 variantsUnder $50
40mm·Automatic·100m WR
$369MSRP
—Used
Delhi Watch Company DWC EchoStar
Delhi Watch Companymicro

DWC EchoStar

3 variantsSeries
39mm·Automatic·100m WR
$116MSRP
—Used
PAROS Transatlantic GMT aviator world-timer GMT, crown-guard case + inner rotating bezel, full Arabic 24h numeral ring
PAROSmicro

Transatlantic GMT aviator world-timer GMT, crown-guard case + inner rotating bezel, full Arabic 24h numeral ring

Ref. 24PR-STLGMT
42mm·Automatic
$299MSRP
—Used
Hitori Yoshino Night Star
Hitorimicro

Yoshino Night Star

39.6mm·Automatic·100m WR
$529MSRP
—Used
Spinnaker Croft 39 GMT
Spinnakermicro

Croft 39 GMT

5 watches · 28 variantsCroft
39mm·Automatic·100m WR
$445MSRP
—Used
NIMA Watches NIMA GMT (NH34) GMT 39mm fluted-bezel applied-baton (Datejust-style)
NIMA Watchesmicro
Stage One

NIMA GMT (NH34) GMT 39mm fluted-bezel applied-baton (Datejust-style)

39mm·Automatic·200m WR
$572MSRP
—Used
Boldr Globetrotter GMT
Boldrmicro

Globetrotter GMT

4 variantsSeries
40mm·Automatic·200m WR
$469MSRP
—Used
BOLDR Supply Co. GMT Maasai Mara
BOLDR Supply Co.micro

GMT Maasai Mara

2 variantsSeries
40mm·Automatic·200m WR
$469MSRP
—Used
All alternatives to the Flyboy Airmaster GMT Automatic →All alternatives to the Basecamp Stealth Automatic →
Explore the full catalog

Follow this matchup

Get a note when AVI-8 Flyboy Airmaster GMT Automatic vs Undone Basecamp Stealth Automatic gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

PAROS Transatlantic GMT aviator world-timer GMT, crown-guard case + inner rotating bezel, full Arabic 24h numeral ringvsUndone Basecamp Stealth AutomaticMarloe Watch Company Motorsport 105vsUndone Basecamp Stealth AutomaticNodus Sector II GMTvsUndone Basecamp Stealth AutomaticMarloe Watch Company Motorsport 105 (Marketplace)vsUndone Basecamp Stealth AutomaticAVI-8 Flyboy Airmaster GMT AutomaticvsTSAO Baltimore Balt-Pilot Worldtimer Stealth BlackAVI-8 Flyboy Airmaster GMT AutomaticvsUndone Basecamp Stealth Leather
Edit this comparisonAdd another watchExplore more 39–41mm watches