Side by side

Bell & Ross BR-X5 IridescentvsSeestern S450 Ocean Star

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
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

18 of 29 specs differ
Diameter
BR-X5 Iridescent41mm
S450 Ocean Star40mm
Power Reserve
BR-X5 Iridescent70 hoursh
S450 Ocean Star41h
Water Resistance
BR-X5 Iridescent100m
S450 Ocean Star100m
MSRP
BR-X5 Iridescent$9,709
S450 Ocean Star$299

Full specifications

Case

8 specs
Category
Diver
Diameter
41mm
40mm
Thickness
12.8mm
12mm
Lug-to-Lug
48mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Indices
Applied indices
Applied
Lume
Super-LumiNova
Tritium

Movement

5 specs
Caliber
BR-CAL.323
TMI NH35A
Beat Rate
21,600 vph
Power Reserve
70 hoursh
41h
Jewels
24
Complications
Hours/Minutes, Seconds, Power Reserve Indicator
GMT, Date

Pricing

1 specs
MSRP
$9,709
$299

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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.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

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