Side by side
Formex Reef GMTvsStraton Straton Syncro MKII Mechanical Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
20 of 29 specs differDiameter
Reef GMT42mm
Straton Syncro MKII Mechanical Chrono40mm
Power Reserve
Reef GMT56h
Straton Syncro MKII Mechanical Chrono—
Water Resistance
Reef GMT300m
Straton Syncro MKII Mechanical Chrono100m
MSRP
Reef GMT$2,235
Straton Syncro MKII Mechanical Chrono$599
Full specifications
Case
9 specsCategory
GMT
Chronograph
Diameter
42mm
40mm
Thickness
11.4mm
12.4mm
Lug-to-Lug
47mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
300m
100m
Caseback
Solid
Sapphire crystal
Crystal & Dial
5 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
—
Indices
Applied
—
Lume
Super-LumiNova
None
Movement
5 specsCaliber
Sellita SW330-2
Seagull ST19
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
56h
0h
Jewels
25
0
Pricing
1 specsMSRP
$2,235
$599
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