Side by side

Spinnaker Fleuss GMTvsSugess Tourbillon Master S454

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

Fleuss GMT
SpinnakerFleuss GMT
MSRP $299
Tourbillon Master S454
SugessTourbillon Master S454
MSRP $999

At a glance

13 of 29 specs differ
Diameter
Fleuss GMT43mm
Tourbillon Master S45441mm
Power Reserve
Fleuss GMT40h
Tourbillon Master S45440h
Water Resistance
Fleuss GMT150m
Tourbillon Master S4545m
MSRP
Fleuss GMT$299
Tourbillon Master S454$999

Full specifications

Case

8 specs
Category
GMT
Chronograph
Diameter
43mm
41mm
Thickness
13mm
8.9mm
Lug-to-Lug
51mm
44.9mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
150m
5m
Caseback
Solid
Display

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

3 specs
Caliber
Seiko NH34A
ST8000
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph

Pricing

1 specs
MSRP
$299
$999

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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.

Spinnaker Fleuss GMT

Owners widely praise the Spinnaker Fleuss GMT for its aesthetic appeal, comfortable and light wearability, and value, especially when discounted. The textured blue dial, applied lumed markers, and sapphire crystal with AR coating are highlighted as stunning features. Owners also note the dial is very well lumed and the bracelet has helpful quick-release tabs. However, the 43.3mm case size is criticized by some as being too large, and the Beads of Rice bracelet is described as "jingly jangly" with a pressed clasp and a clasp that isn't finely finished. Some users flag the internal bezel rotates too easily. Overall, owners rate the Spinnaker Fleuss GMT highly for its aesthetic success and value at its affordable price point.

Sugess Tourbillon Master S454

Owners widely praise the Sugess Tourbillon Master S454 for its attractive dial finishing, sharp case edges, and the visual appeal of its genuine tourbillon, especially considering its price point. Specific strengths highlighted include a delicate 38mm size with 11.5mm thickness and a crisp winding feel. However, multiple owners note accuracy issues, with figures ranging from +6 to +11 seconds per day and one report of -12 seconds per day. Concerns are also raised about the movement's finishing upon close inspection, the lack of internal anti-reflective coating causing reflections, a small crown that makes winding cumbersome, and potential long-term durability and serviceability challenges. The 24-hour complication is not independently adjustable, and water resistance is limited to 50m. Overall, owners rate the Sugess Tourbillon Master S454 highly for its impressive tourbillon and finishing at the price, despite some noted accuracy and finishing caveats.

From video reviewers

The value proposition of a functional tourbillon movement under $600 is a significant strength. Reviewers noted issues with the bracelet and wearability.

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