Side by side

Lorier Neptune SIVvsSugess Tourbillon Master S454

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

Neptune SIV
LorierNeptune SIV
MSRP $599
Tourbillon Master S454
SugessTourbillon Master S454
MSRP $999

At a glance

12 of 29 specs differ
Diameter
Neptune SIV39mm
Tourbillon Master S45441mm
Power Reserve
Neptune SIV40h
Tourbillon Master S45440h
Water Resistance
Neptune SIV200m
Tourbillon Master S4545m
MSRP
Neptune SIV$599
Tourbillon Master S454$999

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
39mm
41mm
Thickness
8.9mm
Lug-to-Lug
44.9mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
200m
5m
Caseback
Solid
Display

Crystal & Dial

1 specs
Dial Color
Standard
Black

Movement

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

Pricing

1 specs
MSRP
$599
$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.

Lorier Neptune SIV

Owners widely praise the Lorier Neptune SIV for its versatile, vintage-inspired design featuring a glossy gilt-style dial and a comfortable, tapered bracelet, noting its affordability reduces wear anxiety. Reviewers and owners alike mention the acrylic crystal as a point of contention, with some preferring sapphire, and one owner finds the bracelet lacks the feel of more expensive options. On balance, owners and reviewers rate the Lorier Neptune SIV highly for its appealing vintage aesthetic and value proposition.

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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