Side by side
Helgray Speedster (Racing Light Blue)vsLongines ULTRA‑CHRON CARBON
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
22 of 29 specs differDiameter
Speedster (Racing Light Blue)39mm
ULTRA‑CHRON CARBON43mm
Power Reserve
Speedster (Racing Light Blue)40h
ULTRA‑CHRON CARBON52h
Water Resistance
Speedster (Racing Light Blue)30m
ULTRA‑CHRON CARBON300m
MSRP
Speedster (Racing Light Blue)$299
ULTRA‑CHRON CARBON$5,550
Full specifications
Case
9 specsCategory
Chronograph
Diver
Diameter
39mm
43mm
Thickness
12mm
14mm
Lug-to-Lug
46mm
48.9mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Finish
Brushed and polished
—
Water Resistance
30m
300m
Caseback
Solid
Screw-down case back
Crystal & Dial
5 specsCrystal Shape
Flat
—
AR Coating
Inner
Both sides
Dial Color
Black
Silver
Indices
Applied
Applied indexes
Lume
None
Super-LumiNova
Movement
7 specsCaliber
Miyota 6S21
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
$299
$5,550
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