Side by side
Formex Essence ThirtyNinevsStraton Straton Syncro MKII Mechanical Chrono
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Essence ThirtyNine39mm
Straton Syncro MKII Mechanical Chrono40mm
Power Reserve
Essence ThirtyNine41h
Straton Syncro MKII Mechanical Chrono—
Water Resistance
Essence ThirtyNine100m
Straton Syncro MKII Mechanical Chrono100m
MSRP
Essence ThirtyNine$2,390
Straton Syncro MKII Mechanical Chrono$599
Full specifications
Case
7 specsCategory
Dress
Chronograph
Diameter
39mm
40mm
Thickness
10mm
12.4mm
Lug-to-Lug
45mm
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Caseback
Solid
Sapphire crystal
Crystal & Dial
5 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Space Ghost
—
Indices
Applied
—
Lume
Super-LumiNova
None
Movement
5 specsCaliber
Sellita SW200-1
Seagull ST19
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
41h
0h
Jewels
25
0
Pricing
1 specsMSRP
$2,390
$599
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