Breitling Premier B01 Chronograph 42vsIsotope Chronograph Moonshot Horizon

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 Premier B01 Chronograph 42 at true scale

Premier B01 Chronograph 42

Isotope Chronograph Moonshot Horizon at true scale

Chronograph Moonshot Horizon

Diameter

42mm

41mm

Thickness

13.6mm

lowest

15mm

Water Resistance

100m

100m

Power Reserve

70h

highest

44h

MSRP

$9,750

$3,813

lowest

Movement

Breitling B01

Valjoux 7753

Case

5 specs
Diameter
42mm
41mm
Thickness
13.6mm
15mm
Lug-to-Lug
n/a
n/a
Material
Stainless Steel
Titanium
Finish
Stainless steel
n/a

Crystal & Dial

2 specs
AR Coating
n/a
Yes
Dial Color
n/a
n/a

Movement

5 specs
Caliber
Breitling B01
Valjoux 7753
Power Reserve
70h
44h
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Chronograph
None

Pricing

1 specs
MSRP
$9,750
$3,813
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 Premier B01 Chronograph 42

Owners widely praise the Breitling Premier B01 Chronograph 42 for its elegant, timeless design, exceptional finishing, and high-quality feel, with many finding it looks even better in person. Reviewers and owners alike highlight the versatile design, thoughtful proportions, and the in-house B01 movement as significant strengths, noting the applied Arabic numerals and refined dial text. The 42mm case wears slimmer and closer to the wrist than some alternatives, and the watch offers 100m water resistance and a 70-hour power reserve. Some owners find the chronograph pushers can feel stiff to start, and one reported accuracy of approximately five seconds fast per day, which they deemed acceptable but suboptimal for the price. The lume is considered lackluster due to small application areas, and some users suggest caution regarding the price, recommending buying used or considering if the watch truly excites them.

Isotope Chronograph Moonshot Horizon

Owners widely praise the Isotope Chronograph Moonshot Horizon for its complex, unique, and futuristic design, with one reviewer calling it an instantly charming "UFO" and another describing it as a cyberpunk DLC titanium chronograph. The hand-polished dial and case finishing are frequently highlighted as strengths, contributing to its well-made reputation. The watch is noted for its comfortable wearability on the titanium bracelet, though one owner found the rubber strap too short. The crown is described as difficult to grip. The Isotope Chronograph Moonshot Horizon is priced at £3,340 and limited to 30 pieces. Overall, owners and reviewers rate the Isotope Chronograph Moonshot Horizon highly for its distinctive design and finishing at its price point.

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.