Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsRZE Fortitude GMT

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

The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950
Fortitude GMT
RZEFortitude GMT
MSRP $719

At a glance

12 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Fortitude GMT41mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Fortitude GMT40h
Water Resistance
The Humboldt GMT SAR Edition200m
Fortitude GMT200m
MSRP
The Humboldt GMT SAR Edition$2,950
Fortitude GMT$719

Full specifications

Case

4 specs
Diameter
39.5mm
41mm
Thickness
12.5mm
12mm
Lug-to-Lug
46.8mm
47mm
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Flat
Dial Color
Black
Red
Lume
Super-LumiNova
Super-LumiNova BGW9

Movement

4 specs
Caliber
Sellita SW330
Miyota 9075
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Complications
None
GMT

Pricing

1 specs
MSRP
$2,950
$719

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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.

Oak & Oscar The Humboldt GMT SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

RZE Fortitude GMT

The RZE Fortitude GMT is widely praised for its lightweight titanium construction and durable UltraHex coating, offering exceptional value under $700. Owners and reviewers highlight its comfortable wearability, with a bracelet featuring a quick-adjust clasp and multiple micro-adjustment positions. The Miyota 9075 flyer GMT movement is noted for its accuracy, with one owner reporting -1 to +1 seconds per day, though another source states a range of -10/+30 seconds per day. The watch's design is appreciated for its soul and attention to detail, including a subtle red crown tube indicator and faceted lugs, and its Nimbus Grey dial features a coarse, sandpaper-like texture and fumé effect. A reviewer points out the rotor can be loud and a smaller screwdriver is needed for sizing, while an owner found the GMT hand lume confusing. Overall, owners and reviewers rate the RZE Fortitude GMT highly for its comfortable titanium build, durable coating, and excellent value.

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