Side by side
Praesidus Neptune 44vsLongines 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
Neptune 4444mm
ULTRA‑CHRON CARBON43mm
Power Reserve
Neptune 4440h
ULTRA‑CHRON CARBON52h
Water Resistance
Neptune 44200m
ULTRA‑CHRON CARBON300m
MSRP
Neptune 44$550
ULTRA‑CHRON CARBON$5,550
Full specifications
Case
7 specsDiameter
44mm
43mm
Thickness
—
14mm
Lug-to-Lug
—
48.9mm
Material
316L Stainless Steel
Titanium
Finish
Brushed and polished
—
Water Resistance
200m
300m
Caseback
Solid
Screw-down case back
Crystal & Dial
6 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
—
AR Coating
Inner
Both sides
Dial Color
Patina
Silver
Indices
Applied
Applied indexes
Lume
None
Super-LumiNova
Movement
7 specsCaliber
Miyota 9039
L836.6
Beat Rate
28,800 vph
36,000 vph
Power Reserve
40h
52h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds
Pricing
1 specsMSRP
$550
$5,550
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