Side by side

Baltic Hermétique SummervsRZE Fortitude GMT

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
Fortitude GMT
RZEFortitude GMT
MSRP $719

At a glance

13 of 29 specs differ
Diameter
Hermétique Summer37mm
Fortitude GMT41mm
Power Reserve
Hermétique Summer42h
Fortitude GMT40h
Water Resistance
Hermétique Summer150m
Fortitude GMT200m
MSRP
Hermétique Summer$594
Fortitude GMT$719

Full specifications

Case

6 specs
Category
Dress
GMT
Diameter
37mm
41mm
Thickness
10.8mm
12mm
Lug-to-Lug
46mm
47mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
150m
200m

Crystal & Dial

3 specs
AR Coating
Yes
Underside
Dial Color
Orange
Red
Lume
BGW9
Super-LumiNova BGW9

Movement

3 specs
Caliber
Miyota 9039
Miyota 9075
Power Reserve
42h
40h
Complications
None
GMT

Pricing

1 specs
MSRP
$594
$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.

Baltic Hermétique Summer

Reviewers highlight the Baltic Hermétique Summer's compact 37mm brushed case with a polished bezel and 150 meters of water resistance. The watch features glossy dials in bright colors with raised BGW9 Super-LumiNova indices that emit a strong blue glow, and it comes with color-matched FKM rubber straps or Baltic bracelets. The Miyota 9039 movement supports hacking and hand-winding. However, the recessed crown can be difficult to manipulate if fingernails are not long enough, and the movement has a stated accuracy of -10/+30 seconds per day. Overall, reviewers praise the Baltic Hermétique Summer for its well-balanced, colorful dials and strong lume at an affordable 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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