Side by side

Bremont Isle of Man TT Limited EditionvsLongines PrimaLuna

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

Isle of Man TT Limited Edition
BremontIsle of Man TT Limited Edition
MSRP $6,600
PrimaLuna
LonginesPrimaLuna
MSRP $2,950

At a glance

22 of 29 specs differ
Diameter
Isle of Man TT Limited Edition43mm
PrimaLuna34mm
Power Reserve
Isle of Man TT Limited Edition40h
PrimaLuna72h
Water Resistance
Isle of Man TT Limited Edition
PrimaLuna30m
MSRP
Isle of Man TT Limited Edition$6,600
PrimaLuna$2,950

Full specifications

Case

9 specs
Category
Chronograph
Dress
Diameter
43mm
34mm
Thickness
15.8mm
11.6mm
Lug-to-Lug
41mm
Lug Width
22mm
8mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Both sides
Dial Color
White
Blue
Indices
Applied
Diamond indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
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
$6,600
$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 Isle of Man TT Limited Edition

Some enthusiasts find the speedometer dial gimmicky and tacky. The Bremont Isle of Man TT Limited Edition is a 43mm chronograph with a Trip-Tick case and a chronometer-certified BE-50AV movement offering a 56-hour power reserve. Overall, owners and reviewers find the speedometer dial to be a polarizing design element.

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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