Side by side
Helgray Speedster (Racing Light Blue)vsLongines MASTER COLLECTION
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Speedster (Racing Light Blue)39mm
MASTER COLLECTION42mm
Power Reserve
Speedster (Racing Light Blue)40h
MASTER COLLECTION—
Water Resistance
Speedster (Racing Light Blue)30m
MASTER COLLECTION30m
MSRP
Speedster (Racing Light Blue)$299
MASTER COLLECTION$3,100
Full specifications
Case
7 specsCategory
Chronograph
—
Diameter
39mm
42mm
Thickness
12mm
9.64mm
Lug-to-Lug
46mm
49.6mm
Lug Width
20mm
21mm
Finish
Brushed and polished
—
Caseback
Solid
—
Crystal & Dial
4 specsCrystal Shape
Flat
—
AR Coating
Inner
—
Dial Color
Black
Silver
Indices
Applied
—
Movement
6 specsCaliber
Miyota 6S21
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Pricing
1 specsMSRP
$299
$3,100
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