Side by side

Bell & Ross BR-X5 IridescentvsSpinnaker Dumas GMT

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

BR-X5 Iridescent
Bell & RossBR-X5 Iridescent
MSRP $9,709
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

20 of 29 specs differ
Diameter
BR-X5 Iridescent41mm
Dumas GMT44mm
Power Reserve
BR-X5 Iridescent70 hoursh
Dumas GMT40h
Water Resistance
BR-X5 Iridescent100m
Dumas GMT300m
MSRP
BR-X5 Iridescent$9,709
Dumas GMT$399

Full specifications

Case

9 specs
Category
GMT
Diameter
41mm
44mm
Thickness
12.8mm
15mm
Lug-to-Lug
48mm
Lug Width
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
BR-CAL.323
Seiko NH34A
Beat Rate
28,800 vph
Power Reserve
70 hoursh
40h
Jewels
25
Complications
Hours/Minutes, Seconds, Power Reserve Indicator
None

Pricing

1 specs
MSRP
$9,709
$399

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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-X5 Iridescent

The Bell & Ross BR-X5 Iridescent is praised for its vibrant, color-shifting dial that moves between blue, green, and violet hues, achieved through layered PVD coatings over a sunburst texture. Reviewers note the 41mm stainless steel case has a mix of polished and brushed finishes. The BR-CAL.323 automatic movement, manufactured by Kenissi, is COSC-certified and offers a 70-hour power reserve. Some owners find the dial's "epic summer vibe" a bit too flashy and express concern about long-term appeal, with the watch priced at $8,400 on a bracelet. Overall, owners and reviewers highlight the striking iridescent dial as the Bell & Ross BR-X5 Iridescent's defining feature.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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