Side by side

Bell & Ross BR-X3 TOURBILLON MICRO-ROTORvsZelos Spearfish 3

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

BR-X3 TOURBILLON MICRO-ROTOR
Bell & RossBR-X3 TOURBILLON MICRO-ROTOR
MSRP $96,120
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

18 of 29 specs differ
Diameter
BR-X3 TOURBILLON MICRO-ROTOR40mm
Spearfish 340mm
Power Reserve
BR-X3 TOURBILLON MICRO-ROTOR52 hoursh
Spearfish 340h
Water Resistance
BR-X3 TOURBILLON MICRO-ROTOR50m
Spearfish 3200m
MSRP
BR-X3 TOURBILLON MICRO-ROTOR$96,120
Spearfish 3$749

Full specifications

Case

8 specs
Category
Skeleton
Diver
Thickness
9mm
11.5mm
Lug-to-Lug
40mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Skeleton
Diver - Forged Carbon
Indices
Applied

Movement

5 specs
Caliber
BR-CAL.389
La Joux-Perret G100
Beat Rate
28,800 vph
Power Reserve
52 hoursh
40h
Jewels
25
Complications
Hours/Minutes, Tourbillon
None

Pricing

1 specs
MSRP
$96,120
$749

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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-X3 TOURBILLON MICRO-ROTOR

The Bell & Ross BR-X3 TOURBILLON MICRO-ROTOR is noted for its comfortable 40mm square case with well-rounded edges and a bold, artistic design. Reviewers highlight its wearable case that seamlessly integrates with the strap and a well-executed dial structure. The watch features a Kenissi-manufactured calibre with a 70-hour power reserve and COSC certification, though one source notes the absence of hour markers on the dial. The BR-X3 TOURBILLON MICRO-ROTOR is priced at $7,200 USD. Overall, reviewers praise the Bell & Ross BR-X3 TOURBILLON MICRO-ROTOR for its comfortable wearability and artistic dial execution.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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