Side by side

Breitling Top Time B01vsSeestern S456 GMT

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

Top Time B01
BreitlingTop Time B01
MSRP $750
S456 GMT
SeesternS456 GMT
MSRP $299
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.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

At a glance

18 of 29 specs differ
Diameter
Top Time B0141mm
S456 GMT41mm
Power Reserve
Top Time B0170h
S456 GMT41hh
Water Resistance
Top Time B01100m
S456 GMT200m
MSRP
Top Time B01$750
S456 GMT$299

Full specifications

Case

7 specs
Category
Mechanical
GMT
Thickness
13.3mm
13mm
Lug-to-Lug
49mm
Material
Stainless Steel
316L Stainless Steel
Finish
18k red gold
Brushed + Polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Sunray style, applied and Diamond cut Indices, C1 lume
Indices
Applied
Lume
None
C1

Movement

5 specs
Caliber
Breitling B01
Seiko NH34
Beat Rate
0 vph
3 vph
Power Reserve
70h
41hh
Jewels
0
24
Complications
None
GMT

Pricing

1 specs
MSRP
$750
$299
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