Side by side
Longines ULTRA‑CHRON CARBONvsOblvlo XM Racing
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
22 of 29 specs differDiameter
ULTRA‑CHRON CARBON43mm
XM Racing42mm
Power Reserve
ULTRA‑CHRON CARBON52h
XM Racing42h
Water Resistance
ULTRA‑CHRON CARBON300m
XM Racing50m
MSRP
ULTRA‑CHRON CARBON$5,550
XM Racing$269
Full specifications
Case
9 specsCategory
Diver
Sport
Diameter
43mm
42mm
Thickness
14mm
12mm
Lug-to-Lug
48.9mm
46mm
Lug Width
22mm
20mm
Material
Titanium
Stainless Steel
Finish
—
Brushed and polished
Water Resistance
300m
50m
Caseback
Screw-down case back
Solid
Crystal & Dial
5 specsCrystal Shape
—
Flat
AR Coating
Both sides
Inner
Dial Color
Silver
Black
Indices
Applied indexes
Applied
Lume
Super-LumiNova
None
Movement
7 specsCaliber
L836.6
Miyota 82S7
Beat Rate
36,000 vph
28,800 vph
Power Reserve
52h
42h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Hours, minutes, seconds
None
Pricing
1 specsMSRP
$5,550
$269
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