Side by side
Helgray Speedster (Racing Light Blue)vsYema Navygraf Marine Nationale CMM.10
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Speedster (Racing Light Blue)39mm
Navygraf Marine Nationale CMM.1039mm
Power Reserve
Speedster (Racing Light Blue)40h
Navygraf Marine Nationale CMM.1040h
Water Resistance
Speedster (Racing Light Blue)30m
Navygraf Marine Nationale CMM.10100m
MSRP
Speedster (Racing Light Blue)$299
Navygraf Marine Nationale CMM.10$1,614
Full specifications
Case
5 specsCategory
Chronograph
Diver
Thickness
12mm
11mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
30m
100m
Crystal & Dial
1 specsCrystal
Sapphire
Domed Sapphire
Movement
1 specsCaliber
Miyota 6S21
Yema CMM.10
Pricing
1 specsMSRP
$299
$1,614
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