Side by side
Formex Essence ThirtyNinevsResco BlackFrog UDT (DLC Titanium, Quartz/Auto)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Essence ThirtyNine39mm
BlackFrog UDT (DLC Titanium, Quartz/Auto)42mm
Power Reserve
Essence ThirtyNine41h
BlackFrog UDT (DLC Titanium, Quartz/Auto)40h
Water Resistance
Essence ThirtyNine100m
BlackFrog UDT (DLC Titanium, Quartz/Auto)300m
MSRP
Essence ThirtyNine$2,390
BlackFrog UDT (DLC Titanium, Quartz/Auto)$1,905
Full specifications
Case
6 specsCategory
Dress
—
Diameter
39mm
42mm
Thickness
10mm
13mm
Lug-to-Lug
45mm
49.67mm
Material
Stainless Steel
Titanium
Water Resistance
100m
300m
Crystal & Dial
2 specsDial Color
Space Ghost
Black
Lume
Super-LumiNova
None
Movement
1 specsPower Reserve
41h
40h
Pricing
1 specsMSRP
$2,390
$1,905
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