Side by side

Bremont ALT1-CvsLongines FLAGSHIP HERITAGE MOONPHASE

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

ALT1-C
BremontALT1-C
MSRP $6,150
FLAGSHIP HERITAGE MOONPHASE
LonginesFLAGSHIP HERITAGE MOONPHASE
MSRP $3,450

At a glance

22 of 29 specs differ
Diameter
ALT1-C43mm
FLAGSHIP HERITAGE MOONPHASE38.5mm
Power Reserve
ALT1-C40h
FLAGSHIP HERITAGE MOONPHASE72h
Water Resistance
ALT1-C100m
FLAGSHIP HERITAGE MOONPHASE30m
MSRP
ALT1-C$6,150
FLAGSHIP HERITAGE MOONPHASE$3,450

Full specifications

Case

9 specs
Category
Chronograph
Moonphase
Diameter
43mm
38.5mm
Thickness
16mm
12.4mm
Lug-to-Lug
46.3mm
Lug Width
22mm
19mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
Regular length (15cm - 19cm wrist size)
Ivory
Indices
Applied
Applied indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
BE-50AE
L899.5
Beat Rate
28,800 vph
25,200 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds, moon phase display and date indicated by small hand at

Pricing

1 specs
MSRP
$6,150
$3,450

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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 FLAGSHIP HERITAGE MOONPHASE

The Longines Flagship Heritage Moonphase is widely praised for its elegant aesthetic, balanced midnight blue dial with dauphine hands and wedge indices, and the L899.5 movement's 72-hour power reserve. Owners appreciate its value, classy integrated moonphase complication with a night blue background and shiny silver stars, and comfortable 38.5mm case size with good finishing, fitting well on smaller wrists. However, reviewers and owners note its minimal 30-meter water resistance, a 3 o'clock crown that appears undersized, and a thickness of 12.4mm, which some find hinders its dress watch suitability and ability to slip under a cuff, though others find it wearable. Some also consider the design overly traditional and the rehaut depth excessive. On balance, owners and reviewers rate the Longines Flagship Heritage Moonphase highly for its elegant design and value proposition at its price point.

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