Side by side

Formex Reef 42 mmvsSugess Tourbillon Master S454

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

Reef 42 mm
FormexReef 42 mm
MSRP $2,414
Tourbillon Master S454
SugessTourbillon Master S454
MSRP $999

At a glance

14 of 29 specs differ
Diameter
Reef 42 mm42mm
Tourbillon Master S45441mm
Power Reserve
Reef 42 mm56h
Tourbillon Master S45440h
Water Resistance
Reef 42 mm300m
Tourbillon Master S4545m
MSRP
Reef 42 mm$2,414
Tourbillon Master S454$999

Full specifications

Case

8 specs
Category
Diver
Chronograph
Diameter
42mm
41mm
Thickness
11.4mm
8.9mm
Lug-to-Lug
47mm
44.9mm
Lug Width
22mm
20mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
300m
5m
Caseback
Solid
Display

Crystal & Dial

1 specs
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Sellita SW300-1
ST8000
Type
Automatic
Manual
Beat Rate
28,800 vph
3 vph
Power Reserve
56h
40h

Pricing

1 specs
MSRP
$2,414
$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.

Formex Reef 42 mm

The Formex Reef 42 mm is widely praised for its comfortable bracelet featuring a micro-adjust clasp, COSC-certified Sellita movement, and excellent build quality. Owners appreciate the gradient dial's visual appeal and the overall wearability. Some owners note the seconds hand does not perfectly align with markers, and one owner found the lugs' taper hinders third-party strap fit. The bracelet's length and sporty design are noted as limiting versatility by some. On balance, owners and reviewers rate the Formex Reef 42 mm highly for its impressive wearability and value at the 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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