AVI-8 Flyboy Airmaster GMT AutomaticvsRZE Fortitude GMT

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

AVI-8 Flyboy Airmaster GMT Automatic at true scale

Flyboy Airmaster GMT Automatic

RZE Fortitude GMT at true scale

Fortitude GMT

Diameter

40mm

41mm

Lug-to-Lug

n/a

47mm

Thickness

n/a

12mm

Water Resistance

50m

200m

highest

MSRP

$345

lowest

$719

Movement

Seiko NH34

Miyota 9075

Case

6 specs
Diameter
40mm
41mm
Thickness
n/a
12mm
Lug-to-Lug
n/a
47mm
Lug Width
n/a
20mm
Material
316L Stainless Steel
Grade 5 Titanium
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
n/a
Underside
Dial Color
Black
Red
Lume
None
Super-LumiNova BGW9

Movement

2 specs
Caliber
Seiko NH34
Miyota 9075
Complications
None
GMT

Pricing

1 specs
MSRP
$345
$719
Keep your wishlist and collection together in the appExplore the app

Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

AVI-8 Flyboy Airmaster GMT Automatic

Owners widely praise the AVI-8 Flyboy Airmaster GMT Automatic for its unique aviator style, robust build, and crisp dial texture, with one owner noting a complex three-timezone function. The watch is considered fun and wearable with solid dimensions, though some find the dial busy and difficult to read, and the stock strap is noted as cheap with limited lug hole options. Some owners question the quality relative to price, while others acknowledge that AVI-8 watches, often featuring Seiko NH34 movements, are generally considered decent for their $100-$200 price point. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic well for its standout aviator design and value at the price.

RZE Fortitude GMT

The RZE Fortitude GMT is praised for its lightweight titanium construction, scratch-resistant UltraHex coating, and comfortable bracelet with micro-adjustment. Owners and reviewers highlight its value under $700, with one owner noting exceptional accuracy at -1 to +1 seconds per day, while another source states the Miyota 9075 movement is rated between -10/+30 seconds per day. Some find the GMT hand lume confusing and the rotor loud, and a smaller screwdriver is required for bracelet sizing. Overall, owners and reviewers rate the RZE Fortitude GMT highly for its traveler-friendly features and value.

From video reviewers

The titanium construction and sandwich dial are consistent strengths. The lume brightness was not consistently addressed.

Similar watches

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

DiscussionNot started

Also compared

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