Breitling Chronomat B01 42vsGlycine Airman SST GMT GL0312

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 Chronomat B01 42 at true scale

Chronomat B01 42

Glycine Airman SST GMT GL0312 at true scale

Airman SST GMT GL0312

Diameter

42mm

43mm

Thickness

15.1mm

n/a

Water Resistance

200m

200m

Power Reserve

70h

n/a

MSRP

$24,600

$3,400

lowest

Movement

Breitling B01

Sellita SW330-2

Case

5 specs
Diameter
42mm
43mm
Thickness
15.1mm
n/a
Lug Width
22mm
n/a
Material
18kt Pink Gold
Stainless Steel
Finish
Stainless steel
n/a

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Movement

4 specs
Caliber
Breitling B01
Sellita SW330-2
Power Reserve
70h
0h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$24,600
$3,400
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 Chronomat B01 42

Breitling Chronomat B01 42 owners and reviewers widely praise its refined Rouleaux bracelet, excellent case and dial finishing, and the robust Breitling B01 movement. Many consider it a compelling "all-in-one watch" suitable for daily wear, with some highlighting the dynamic sunburst finish of copper dials and the overall build quality. However, multiple sources note the 42mm case wears larger than expected, with a long lug-to-lug distance making it feel more like a 44mm watch and potentially too thick or large for smaller wrists. The polished bezel is noted as a fingerprint magnet, and some find the butterfly clasp generic, while one owner reported a magnetized example running significantly fast before demagnetization. On balance, owners and reviewers rate the Breitling Chronomat B01 42 highly for its impressive finishing and versatile design, despite its substantial wrist presence.

Glycine Airman SST GMT GL0312

The Glycine Men's Airman SST GMT 43mm Automatic Watch GL0312 is praised as one of the best values for a Swiss automatic GMT watch. Owners note its 1970s reissue design, referencing the brand's hometown of Bienne, Switzerland, and the dial's two black shades representing AM and PM. This model is recognized as an early purpose-built dual-time zone watch. Overall, owners rate the Glycine Men's Airman SST GMT 43mm Automatic Watch GL0312 highly for its value and historical design cues.