Side by side
Resco BlackFrog UDT (DLC Titanium, Quartz/Auto)vsZelos Comet 39
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
BlackFrog UDT (DLC Titanium, Quartz/Auto)42mm
Comet 3939mm
Power Reserve
BlackFrog UDT (DLC Titanium, Quartz/Auto)40h
Comet 3940h
Water Resistance
BlackFrog UDT (DLC Titanium, Quartz/Auto)300m
Comet 3950m
MSRP
BlackFrog UDT (DLC Titanium, Quartz/Auto)$1,905
Comet 39$2,499
Full specifications
Case
6 specsCategory
—
Dress
Diameter
42mm
39mm
Thickness
13mm
7.6mm
Lug-to-Lug
49.67mm
39mm
Material
Titanium
316L Stainless Steel
Water Resistance
300m
50m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Tantalum LE
Movement
2 specsCaliber
Sellita SW200-1
ETA/Peseux 7001
Type
Automatic
Manual
Pricing
1 specsMSRP
$1,905
$2,499
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