Side by side

Sugess Tourbillon Master S454vsYema Navygraf Marine Nationale Quartz

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

Tourbillon Master S454
SugessTourbillon Master S454
MSRP $999
Navygraf Marine Nationale Quartz
YemaNavygraf Marine Nationale Quartz
MSRP $499

At a glance

13 of 29 specs differ
Diameter
Tourbillon Master S45441mm
Navygraf Marine Nationale Quartz39mm
Power Reserve
Tourbillon Master S45440h
Navygraf Marine Nationale Quartz40h
Water Resistance
Tourbillon Master S4545m
Navygraf Marine Nationale Quartz100m
MSRP
Tourbillon Master S454$999
Navygraf Marine Nationale Quartz$499

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
41mm
39mm
Thickness
8.9mm
11mm
Lug-to-Lug
44.9mm
Lug Width
20mm
19mm
Material
Stainless Steel/Rose Gold
316L Stainless Steel
Water Resistance
5m
100m
Caseback
Display
Solid

Crystal & Dial

1 specs
Dial Color
Black
Standard

Movement

3 specs
Caliber
ST8000
Type
Manual
Quartz
Beat Rate
3 vph
28,800 vph

Pricing

1 specs
MSRP
$999
$499

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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.

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.

Yema Navygraf Marine Nationale Quartz

Owners praise the Yema Navygraf Marine Nationale Quartz for its well-made case, clean legible dial, and comfortable 39mm size, with one noting its thin profile for 300m water resistance. Accuracy figures vary, with one owner reporting +6 seconds per day and another seeing it keep within COSC time. Minor criticisms include a steel bracelet with a slight rattle and sharp edges, bent bracelet pins, and in one instance, crooked dial printing. On balance, owners find the Yema Navygraf Marine Nationale Quartz offers good value and wearability, with its French design and thinner case being key highlights.

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