Side by side
Oblvlo JM TourbillonvsLongines ULTRA‑CHRON CARBON
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
21 of 29 specs differDiameter
JM Tourbillon42mm
ULTRA‑CHRON CARBON43mm
Power Reserve
JM Tourbillon65h
ULTRA‑CHRON CARBON52h
Water Resistance
JM Tourbillon50m
ULTRA‑CHRON CARBON300m
MSRP
JM Tourbillon$516
ULTRA‑CHRON CARBON$5,550
Full specifications
Case
9 specsCategory
Skeleton
Diver
Diameter
42mm
43mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
48.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
—
Water Resistance
50m
300m
Caseback
Solid
Screw-down case back
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
Both sides
Dial Color
Black
Silver
Indices
Applied
Applied indexes
Movement
7 specsCaliber
OBL.8024
L836.6
Beat Rate
28,800 vph
36,000 vph
Power Reserve
65h
52h
Jewels
20
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Tourbillon
Hours, minutes, seconds
Pricing
1 specsMSRP
$516
$5,550
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