Side by side

Bremont ALT1-CvsLongines MASTER COLLECTION CHRONO MOONPHASE

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

ALT1-C
BremontALT1-C
MSRP $6,150
MASTER COLLECTION CHRONO MOONPHASE
LonginesMASTER COLLECTION CHRONO MOONPHASE
MSRP $4,400

At a glance

19 of 29 specs differ
Diameter
ALT1-C43mm
MASTER COLLECTION CHRONO MOONPHASE40mm
Power Reserve
ALT1-C40h
MASTER COLLECTION CHRONO MOONPHASE66h
Water Resistance
ALT1-C100m
MASTER COLLECTION CHRONO MOONPHASE30m
MSRP
ALT1-C$6,150
MASTER COLLECTION CHRONO MOONPHASE$4,400

Full specifications

Case

8 specs
Diameter
43mm
40mm
Thickness
16mm
14.2mm
Lug-to-Lug
49.5mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Regular length (15cm - 19cm wrist size)
Brown
Indices
Applied

Movement

6 specs
Caliber
BE-50AE
L687.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
66h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$6,150
$4,400

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What people say

Owners + reviewers, side by side

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

Bremont ALT1-C

Owners widely praise the Bremont ALT1-C for its flawless brushed case finish, attractive cream dial with excellent contrast from anthracite sub-dials, and comfortable, balanced wearability. The watch features a well-finished strap and a movement that is a joy to wind, with precise chronograph operation. Reviewers note refined feuille hands and polished Arabic numerals with a golden tinge, balancing ruggedness with elegance. The Bremont ALT1-C averages +3 seconds per day, though one reviewer flags its 16mm height as less than ideal for under-cuff wear and describes the date window as narrow. The modified Valjoux 7750 movement's rotor spin is noticeable. Overall, owners rate the Bremont ALT1-C highly for its refined aesthetics and enjoyable user experience.

Longines MASTER COLLECTION CHRONO MOONPHASE

Owners widely praise the Longines MASTER COLLECTION CHRONO MOONPHASE for its mesmerizing dial and value, offering numerous complications at its price point. However, its 3 bar water resistance limits wearability, and some find the dial busy with the chronograph hour pointer obscuring the moonphase. One owner noted it is a "thick boi" and the blue is less vibrant than pictured, while another mentioned scuffs on the case and discrepancies with the rotor weight and column wheel compared to the website. The consensus is that the Longines MASTER COLLECTION CHRONO MOONPHASE is a gorgeous, high-horology offering for its price, despite some functional limitations and aesthetic critiques.

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