Side by side

Breitling Top Time B01vsGruppo Gamma Field III GMT Date

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

Top Time B01
BreitlingTop Time B01
MSRP $750
Field III GMT Date
Gruppo GammaField III GMT Date
MSRP $459
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Breitling Top Time B01

The Breitling Top Time B01 is widely praised for its handsome design and sharp finishing, featuring the in-house B01 movement. Owners find the 41mm case wears smaller than dimensions suggest, and specific variants like the Triumph and Deus are highlighted for their attractive dials and unique details. The Breitling B01 movement is a consistent point of appreciation, with owners noting its smooth operation and 70-hour power reserve. Some owners report the watch is a favorite, even surpassing other timepieces in their collection, and find it sexier than alternatives. However, some reviewers suggest the abundant polishing on certain cases could benefit from more brushing. The lug-to-lug length on the 41mm case can be a concern for smaller wrists, prompting advice to try it on in person. One owner noted a price of $5,300 USD for the Triumph model, while another questioned a $2,500 price difference over ETA-equipped models, seeing no discernible difference between the movements.

From video reviewers

The in-house B01 chronograph movement with its 70-hour power reserve stands out as the defining strength, delivering substantial functionality and reliability across multiple variants. The compact proportions—ranging from 38mm to 41mm cases with lug-to-lug measurements between 44mm and 50mm—ensure comfortable wearability across different wrist sizes. Reviewer assessments diverged sharply on value, with one calling the £5,950 price point excellent value for the specifications, while others provided no pricing commentary.

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.

At a glance

19 of 29 specs differ
Diameter
Top Time B0141mm
Field III GMT Date40mm
Power Reserve
Top Time B0170h
Field III GMT Date41h
Water Resistance
Top Time B01100m
Field III GMT Date200m
MSRP
Top Time B01$750
Field III GMT Date$459

Full specifications

Case

8 specs
Category
Mechanical
GMT
Diameter
41mm
40mm
Thickness
13.3mm
14mm
Lug-to-Lug
48.5mm
Lug Width
20mm
22mm
Finish
18k red gold
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Indices
Applied
Lume
None
Super-LumiNova

Movement

5 specs
Caliber
Breitling B01
Seiko Instruments NH38A
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
41h
Jewels
0
25
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$750
$459
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