Side by side

Breitling Top Time B01 RacingvsGruppo Gamma Field III GMT

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

Top Time B01 Racing
BreitlingTop Time B01 Racing
MSRP $750
Field III GMT
Gruppo GammaField III GMT
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 Racing

The Breitling Top Time B01 Racing is lauded for its compact 38mm cushion case, which enhances wearability and evokes 1960s designs, and its dashboard-inspired dials. Owners appreciate the in-house B01 automatic movement and the 100m water resistance. Some reviewers note the case features abundant polishing, with a minority desiring more brushed finishing. The perforated leather straps are designed to match the dial colors. Owners are split on the lug-to-lug length, with recommendations for in-person try-ons due to wrist shape variations. Overall, owners rate the Breitling Top Time B01 Racing highly for its compact, wearable design and the quality of its in-house movement.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

At a glance

19 of 29 specs differ
Diameter
Top Time B01 Racing38mm
Field III GMT40mm
Power Reserve
Top Time B01 Racing70h
Field III GMT41h
Water Resistance
Top Time B01 Racing100m
Field III GMT200m
MSRP
Top Time B01 Racing$750
Field III GMT$459

Full specifications

Case

8 specs
Category
Mechanical
GMT
Diameter
38mm
40mm
Thickness
13.07mm
14mm
Lug-to-Lug
48.5mm
Lug Width
20mm
22mm
Finish
Stainless steel
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
34
25
Complications
None
GMT

Pricing

1 specs
MSRP
$750
$459
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