Side by side
Resco BlackFrog UDT (DLC Titanium, Quartz/Auto)vsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
BlackFrog UDT (DLC Titanium, Quartz/Auto)42mm
Prospex Sea41mm
Power Reserve
BlackFrog UDT (DLC Titanium, Quartz/Auto)40h
Prospex Sea70h
Water Resistance
BlackFrog UDT (DLC Titanium, Quartz/Auto)300m
Prospex Sea200m
MSRP
BlackFrog UDT (DLC Titanium, Quartz/Auto)$1,905
Prospex Sea$900
Full specifications
Case
6 specsCategory
—
Diver
Diameter
42mm
41mm
Thickness
13mm
12.3mm
Lug-to-Lug
49.67mm
46.9mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW200-1
6R35
Power Reserve
40h
70h
Jewels
25
24
Pricing
1 specsMSRP
$1,905
$900
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