Side by side

Bremont ALT1-WTvsLongines PrimaLuna

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

ALT1-WT
BremontALT1-WT
MSRP $5,900
PrimaLuna
LonginesPrimaLuna
MSRP $2,950

At a glance

21 of 29 specs differ
Diameter
ALT1-WT43mm
PrimaLuna34mm
Power Reserve
ALT1-WT40h
PrimaLuna72h
Water Resistance
ALT1-WT100m
PrimaLuna30m
MSRP
ALT1-WT$5,900
PrimaLuna$2,950

Full specifications

Case

9 specs
Category
World Timer
Dress
Diameter
43mm
34mm
Thickness
16mm
11.6mm
Lug-to-Lug
41mm
Lug Width
22mm
8mm
Material
Titanium (DLC coated)
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
BE-54AE
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 and date, Moon phase display at 6 o'clock

Pricing

1 specs
MSRP
$5,900
$2,950

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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-WT

The Bremont ALT1-WT is widely praised for its wearable 43mm size, legible dial with a globe background, and robust hardened steel case. Reviewers and owners highlight its well-executed world timer and chronograph functions, the satisfying click of its world timer bezel, and its value for money. Some find the hands can disappear in certain light conditions, and one owner notes a slight gap between the strap and case. The Bremont ALT1-WT uses a COSC-certified ETA/Valjoux 7750-based movement with a world timer module. On balance, owners and reviewers rate the Bremont ALT1-WT highly for its practical combination of chronograph and world-time functions in a well-built, wearable package.

Longines PrimaLuna

Owners widely praise the Longines PrimaLuna for its stylish, understated design and comfortable 26.5mm and 34mm case sizes, with some preferring the quartz for its lower maintenance and others the automatic for its craftsmanship. The automatic movement, an L899.5 or Caliber L899, offers a 72-hour power reserve and exhibits consistent accuracy averaging a loss of 1.3 seconds per day in testing, though it runs 3-4 seconds slower on the wrist. The redesigned collection features a curvier case with contemporary lug integration and is available in steel or bi-metal. On balance, owners and reviewers appreciate the Longines PrimaLuna for its elegant styling and reliable automatic movement, though some find its brand prestige and design less compelling compared to certain luxury alternatives.

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