Side by side

Bell & Ross BR-05 DiamondvsGruppo Gamma Field III GMT Date

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
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459

At a glance

16 of 29 specs differ
Diameter
BR-05 Diamond40mm
Field III GMT Date40mm
Power Reserve
BR-05 Diamond
Field III GMT Date41h
Water Resistance
BR-05 Diamond100m
Field III GMT Date200m
MSRP
BR-05 Diamond$24,829
Field III GMT Date$459

Full specifications

Case

7 specs
Category
GMT
Thickness
14mm
Lug-to-Lug
48.5mm
Lug Width
22mm
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Underside
Yes
Indices
Applied indices
Applied

Movement

5 specs
Caliber
BR-CAL.321
Seiko Instruments NH38A
Beat Rate
28,800 vph
Power Reserve
41h
Jewels
25
Complications
Hours/Minutes, Seconds, Date
GMT, Date

Pricing

1 specs
MSRP
$24,829
$459

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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.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its awesome looks, quality, and good value. The watch features a 40mm brushed 316L stainless steel case, box sapphire crystal, and 200m water resistance, powered by a Seiko NH34A movement. Some reviewers note the NH34A movement's accuracy can range from -20~+40 seconds per day, though one reviewer reported +5 seconds per day with a regulated movement. The dial's dense layout with Arabic numerals can be overwhelming for some, and one owner found the size unsuitable for smaller wrists. On balance, owners rate the Gruppo Gamma Field III GMT Date highly for its impressive finishing and toolish design at its price point.

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