Side by side

Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPHvsFortis Marinemaster M-40

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

BR-X1 TOURBILLON  SAPPHIRE CHRONOGRAPH
Bell & RossBR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH
MSRP $486,000
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

20 of 29 specs differ
Diameter
BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH45mm
Marinemaster M-4040mm
Power Reserve
BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH
Marinemaster M-4038h
Water Resistance
BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH
Marinemaster M-40300m
MSRP
BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH$486,000
Marinemaster M-40$3,520

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
45mm
40mm
Thickness
13mm
Lug Width
21mm
Material
Sapphire
Stainless Steel
Finish
Brushed and polished
Water Resistance
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Skeleton
Orange
Indices
Applied indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
BR-CAL.285
Sellita SW220-1
Type
Manual
Automatic
Beat Rate
28,800 vph
Power Reserve
38h
Jewels
26
Complications
Hours/Minutes, Chronograph, Power Reserve Indicator, Tourbillon
None

Pricing

1 specs
MSRP
$486,000
$3,520

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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.

Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH

The Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH is noted for its modern, Transformer-like 45mm case and superb, qualitative finishing on its skeletonized sapphire dial. The manually wound BR-CAL.283 movement offers a 4-day power reserve. However, the movement's use of a Dubois-Depraz module over an ETA base is a point of consideration against competitors with in-house calibers, and the watch carries a high price point, with limited editions ranging from $163,000 to $238,000. Overall, reviewers highlight the Bell & Ross BR-X1 TOURBILLON SAPPHIRE CHRONOGRAPH's impressive finishing and unique aesthetic as key strengths, despite its considerable cost and modular movement construction.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

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