Side by side

RZE Fortitude GMTvsGrand Seiko SLGH005

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

Fortitude GMT
RZEFortitude GMT
MSRP $719
SLGH005
Grand SeikoSLGH005
MSRP $9,800

At a glance

13 of 29 specs differ
Diameter
Fortitude GMT41mm
SLGH00540mm
Power Reserve
Fortitude GMT40h
SLGH00580h
Water Resistance
Fortitude GMT200m
SLGH005100m
MSRP
Fortitude GMT$719
SLGH005$9,800

Full specifications

Case

6 specs
Category
GMT
Dress
Diameter
41mm
40mm
Thickness
12mm
11.7mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Stainless Steel
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
$9,800

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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 SLGH005

The Grand Seiko SLGH005 is widely praised for its stunning "White Birch" textured dial, exceptional finishing including mirror-polished indexes and Zaratsu polishing, and the innovative Caliber 9SA5 movement. Owners and reviewers consistently highlight the dial's texture and the elaborate, mirror-like indexes. The watch's 40mm stainless steel case is noted for its slender, sporty design and comfortable wearability, with some finding its size well-proportioned and its brushed and polished surfaces practical for hiding scratches. The 9SA5 movement is recognized for its 80-hour power reserve and 36,000 vph hi-beat frequency, though one owner found its finishing less impressive than other movement types in a similar price bracket. Some reviewers consider its price somewhat high relative to alternatives and desire a micro-adjustable bracelet. On balance, owners and reviewers rate the Grand Seiko SLGH005 highly for its exquisite dial and finishing, powered by an advanced high-beat movement.

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