Side by side

Bell & Ross BR-05 DiamondvsSpinnaker Cahill Automatic

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

BR-05 Diamond
Bell & RossBR-05 Diamond
MSRP $24,829
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

20 of 29 specs differ
Diameter
BR-05 Diamond40mm
Cahill Automatic42mm
Power Reserve
BR-05 Diamond
Cahill Automatic40h
Water Resistance
BR-05 Diamond100m
Cahill Automatic200m
MSRP
BR-05 Diamond$24,829
Cahill Automatic$350

Full specifications

Case

9 specs
Category
Diver
Diameter
40mm
42mm
Thickness
13.7mm
Lug-to-Lug
51mm
Lug Width
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
BR-CAL.321
SII NH35A
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
25
Complications
Hours/Minutes, Seconds, Date
None

Pricing

1 specs
MSRP
$24,829
$350

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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-05 Diamond

Owners widely praise the Bell & Ross BR-05 Diamond's design and build quality, noting its comfortable wearability and a less derivative appearance in person. The contrast between brushed and polished finishes, along with the blue sunray dial, contributes to its appeal as a versatile integrated steel sports watch. Some owners, however, find the crown to be a bit fussy and criticize the high price relative to the SW300-1 movement. On balance, owners rate the Bell & Ross BR-05 Diamond highly for its striking design and versatile wearability.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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