Side by side

Bell & Ross BR-X2 tourbillon skeleton micro rotorvsTudor Black Bay One 31 S&G

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

BR-X2 tourbillon skeleton micro rotor
Bell & RossBR-X2 tourbillon skeleton micro rotor
MSRP $74,520
Black Bay One 31 S&G
TudorBlack Bay One 31 S&G
MSRP $6,850

At a glance

19 of 29 specs differ
Diameter
BR-X2 tourbillon skeleton micro rotor42.5mm
Black Bay One 31 S&G31mm
Power Reserve
BR-X2 tourbillon skeleton micro rotor
Black Bay One 31 S&G50h
Water Resistance
BR-X2 tourbillon skeleton micro rotor50m
Black Bay One 31 S&G100m
MSRP
BR-X2 tourbillon skeleton micro rotor$74,520
Black Bay One 31 S&G$6,850

Full specifications

Case

8 specs
Category
Skeleton
Diameter
42.5mm
31mm
Thickness
9.5mm
Lug-to-Lug
46mm
Lug Width
17mm
Finish
Polished + Satin
Water Resistance
50m
100m
Caseback
Solid screw-down

Crystal & Dial

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

Movement

5 specs
Caliber
BR-CAL.381
MT5201
Beat Rate
28,800 vph
Power Reserve
50h
Jewels
25
Complications
Hours/Minutes, Tourbillon
None

Pricing

1 specs
MSRP
$74,520
$6,850

Follow this matchup

Get a note when Bell & Ross BR-X2 tourbillon skeleton micro rotor vs Tudor Black Bay One 31 S&G gets more votes, a community discussion, or a price drop. No account needed.

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-X2 tourbillon skeleton micro rotor

The Bell & Ross BR-X2 tourbillon skeleton micro rotor is praised for its novel design, integrating the case and movement into a single sapphire crystal structure. Owners find the 42.5mm watch comfortable for daily wear and note its masculine appeal. Reviewers flag that the satin-finished hands can blend too much with the dial, impacting legibility.

Tudor Black Bay One 31 S&G

The Tudor Black Bay One 31 S&G is praised for its quiet luxury, combining brushed steel and warm gold accents for understated charm. Owners appreciate the brushed gold for a casual two-tone look and the champagne dial's surprising legibility. Some find the case sides too thick, and one user expressed a desire for a smaller S&G variant. The watch features the MT5612 movement with a 70-hour power reserve and a date function, within a 200-meter water-resistant case. Overall, owners and reviewers highlight the Tudor Black Bay One 31 S&G's balanced two-tone aesthetic as its primary appeal.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.