Breitling Top Time B01vsHemel HFC Mechanical Chronograph

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Breitling Top Time B01 at true scale

Top Time B01

Hemel HFC Mechanical Chronograph at true scale

HFC Mechanical Chronograph

Diameter

41mm

40mm

Lug-to-Lug

n/a

47mm

Thickness

13.3mm

lowest

13.4mm

Water Resistance

100m

100m

Power Reserve

70h

n/a

MSRP

$23,900

$550

lowest

Movement

Breitling B01

Seagull ST19 (family)

Case

6 specs
Diameter
41mm
40mm
Thickness
13.3mm
13.4mm
Lug-to-Lug
n/a
47mm
Lug Width
n/a
20mm
Material
18kt Pink Gold
316L Stainless Steel
Finish
18k red gold
n/a

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
n/a
Airfoil (1970s British Pilot)

Movement

5 specs
Caliber
Breitling B01
Seagull ST19 (family)
Type
Automatic
Manual
Power Reserve
70h
0h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$23,900
$550
Keep your wishlist and collection together in the appExplore the app

Reviews

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, sharply finished chronograph design and the in-house B01 movement, with owners calling it beautiful and a favorite design. Reviewers highlight its compelling design, polished bezel, and domed sapphire crystal for a '60s-sporty feel, complemented by brushed case sides for ruggedness. Owners appreciate the B01 movement's COSC certification, 70-hour power reserve, and the dial's unique features, such as automotive-grade paint chips on the Mustang model or blue dials that change with light. The 41mm case is noted to wear slightly smaller, and the watch offers 100m water resistance. Some owners find the B01 movement justifies the price over older ETA movements, citing better accuracy retention between services and a useful weekend power reserve, though servicing costs are higher. However, one owner expressed concern about a Breitling B01 movement seizing and needing replacement.

Hemel HFC Mechanical Chronograph

The Hemel HFC Mechanical Chronograph is praised for its 40mm case size, curved sapphire crystal, and lumed ceramic bezel with 12-hour markers. Owners and reviewers highlight its 100m water resistance and the horological significance of its Seagull ST19 manual-winding movement, particularly at its price point, with some appreciating the exhibition caseback. One owner expressed concern regarding the ST19 movement's reliability. Overall, owners and reviewers rate the Hemel HFC Mechanical Chronograph highly for its vintage pilot's watch aesthetic combined with modern utility and value.

Similar watches

Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.

DiscussionNot started

Also compared

Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.