Side by side

RZE Fortitude GMTvsGrand Seiko SLGH017

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

Fortitude GMT
RZEFortitude GMT
MSRP $719
SLGH017
Grand SeikoSLGH017
MSRP $10,500

At a glance

13 of 29 specs differ
Diameter
Fortitude GMT41mm
SLGH01740mm
Power Reserve
Fortitude GMT40h
SLGH01780h
Water Resistance
Fortitude GMT200m
SLGH017100m
MSRP
Fortitude GMT$719
SLGH017$10,500

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
41mm
40mm
Thickness
12mm
11.7mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Titanium
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Underside
Yes
Dial Color
Red
Black
Lume
Super-LumiNova BGW9
None

Movement

3 specs
Caliber
Miyota 9075
9SA5
Power Reserve
40h
80h
Complications
GMT
None

Pricing

1 specs
MSRP
$719
$10,500

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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.

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.

Grand Seiko SLGH017

Grand Seiko SLGH017 owners and reviewers widely praise its impeccable finishing on the applied markers and handset, and its lightweight titanium case and bracelet. The high-beat 9SA5 movement is noted for its approximately 80-hour power reserve, with accuracy figures reported by owners ranging from +4 sec/day to +5 to -3 seconds per day, though some owners express concerns about accuracy deviating significantly from specifications. Some find the "Night Birch" dial stunning and appreciate the Evo 9 case design, while others note the dial texture appears less pronounced on its matte black surface and criticize the handset's proportions and lack of lume. The Grand Seiko SLGH017 is priced at €10,500. On balance, owners and reviewers rate the Grand Seiko SLGH017 highly for its lightweight titanium construction and impeccable finishing.

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