Side by side

Breitling Chronomat B01 42vsLorier Neptune SIV

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

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Breitling Chronomat B01 42

Owners widely praise the Breitling Chronomat B01 42 for its excellent finishing, refined Rouleaux bracelet, and the robust B01 movement. The dial finishing, particularly on copper and copper variants, is highlighted for its dynamic sunburst effect. Some owners consider it an "all-in-one watch" suitable for daily wear due to its ruggedness and chronograph complication. However, multiple sources note that the 42mm case wears larger than its stated size, with a long lug-to-lug distance making it feel closer to 44mm and potentially too large for smaller wrists. The polished bezel is also mentioned as a fingerprint magnet, and one owner reported a magnetized example running significantly fast before demagnetization. On balance, owners and reviewers appreciate the Breitling Chronomat B01 42 for its impressive build quality and distinctive design, despite its substantial wrist presence.

Lorier Neptune SIV

Owners widely praise the Lorier Neptune SIV for its versatile, vintage-inspired design featuring a glossy gilt-style dial and a comfortable, tapered bracelet, noting its affordability reduces wear anxiety. Reviewers and owners alike mention the acrylic crystal as a point of contention, with some preferring sapphire, and one owner finds the bracelet lacks the feel of more expensive options. On balance, owners and reviewers rate the Lorier Neptune SIV highly for its appealing vintage aesthetic and value proposition.

At a glance

16 of 29 specs differ
Diameter
Chronomat B01 4242mm
Neptune SIV39mm
Power Reserve
Chronomat B01 4270h
Neptune SIV40h
Water Resistance
Chronomat B01 42200m
Neptune SIV200m
MSRP
Chronomat B01 42$24,600
Neptune SIV$599

Full specifications

Case

7 specs
Diameter
42mm
39mm
Thickness
15.1mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
18kt Pink Gold
Stainless Steel
Finish
Stainless steel
Brushed and polished
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Standard
Indices
Applied

Movement

4 specs
Caliber
Breitling B01
Beat Rate
0 vph
28,800 vph
Power Reserve
70h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$24,600
$599
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