Side by side

Oris ProPilot X Calibre 400 LaservsLongines ULTRA-CHRON CLASSIC

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

ProPilot X Calibre 400 Laser
OrisProPilot X Calibre 400 Laser
MSRP $5,750
ULTRA-CHRON CLASSIC
LonginesULTRA-CHRON CLASSIC
MSRP $3,900

At a glance

21 of 29 specs differ
Diameter
ProPilot X Calibre 400 Laser39mm
ULTRA-CHRON CLASSIC37mm
Power Reserve
ProPilot X Calibre 400 Laser120 hoursh
ULTRA-CHRON CLASSIC52h
Water Resistance
ProPilot X Calibre 400 Laser100m
ULTRA-CHRON CLASSIC50m
MSRP
ProPilot X Calibre 400 Laser$5,750
ULTRA-CHRON CLASSIC$3,900

Full specifications

Case

8 specs
Diameter
39mm
37mm
Thickness
10.95mm
Lug-to-Lug
44.6mm
Lug Width
20mm
19mm
Material
Titanium
Stainless Steel
Finish
Water Resistance
100m
50m
Caseback
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Underside
Both sides
Dial Color
Silver
Indices
Applied indexes
Lume
None
Super-LumiNova

Movement

7 specs
Caliber
400
L836.6
Beat Rate
4 vph
36,000 vph
Power Reserve
120 hoursh
52h
Jewels
21
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$5,750
$3,900

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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.

Oris ProPilot X Calibre 400 Laser

The Oris ProPilot X Calibre 400 Laser is praised for its high-tech laser-etched titanium dial and the advanced Calibre 400 movement with a 120-hour power reserve. However, the dial's unique rainbow gradient is polarizing, with one owner finding it childish and preferring applied indices for better legibility and lume, while reviewers note the case shape may still require adjustment. The CHF 4,800 price is also flagged as steep for a time-only watch. On balance, owners and reviewers acknowledge the innovative dial and movement, but opinions are divided on its aesthetic appeal and value proposition.

Longines ULTRA-CHRON CLASSIC

The Longines ULTRA-CHRON CLASSIC is widely praised for its faithful retro design, high-beat 5Hz movement offering greater precision and a smooth seconds hand, and its value proposition as a new 5Hz watch. Reviewers highlight the L836.6 caliber's TimeLab "ultra chronometer" certification for superior accuracy and shock recovery, and owners find the bracelet very comfortable with easy micro-adjust. Some owners note the design appears dated, and one reviewer points out the dial lacks luminescence and water resistance is only 50m. Owners are split on sizing, with some finding the 40mm case wears larger than expected and recommending the 37mm version. Overall, owners and reviewers rate the Longines ULTRA-CHRON CLASSIC highly for its blend of vintage aesthetics, modern high-beat movement performance, and comfortable wearability.

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