Side by side
Formex Reef GMTvsHelgray Speedster (Silver Panda)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Reef GMT42mm
Speedster (Silver Panda)39mm
Power Reserve
Reef GMT56h
Speedster (Silver Panda)40h
Water Resistance
Reef GMT300m
Speedster (Silver Panda)30m
MSRP
Reef GMT$2,235
Speedster (Silver Panda)$299
Full specifications
Case
6 specsCategory
GMT
Chronograph
Diameter
42mm
39mm
Thickness
11.4mm
12mm
Lug-to-Lug
47mm
46mm
Lug Width
22mm
20mm
Water Resistance
300m
30m
Crystal & Dial
1 specsLume
Super-LumiNova
None
Movement
2 specsCaliber
Sellita SW330-2
Miyota 6S21
Power Reserve
56h
40h
Pricing
1 specsMSRP
$2,235
$299
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