Side by side
Resco Custom C18: UDT Full Lume (Brushed/DLC Ti)vsSeiko Prospex Sea
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Custom C18: UDT Full Lume (Brushed/DLC Ti)42mm
Prospex Sea41mm
Power Reserve
Custom C18: UDT Full Lume (Brushed/DLC Ti)40h
Prospex Sea70h
Water Resistance
Custom C18: UDT Full Lume (Brushed/DLC Ti)300m
Prospex Sea200m
MSRP
Custom C18: UDT Full Lume (Brushed/DLC Ti)$1,955
Prospex Sea$900
Full specifications
Case
6 specsCategory
—
Diver
Diameter
42mm
41mm
Thickness
13mm
12.3mm
Lug-to-Lug
46mm
46.9mm
Material
Titanium
Stainless Steel
Water Resistance
300m
200m
Crystal & Dial
4 specsCrystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
—
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW200-1
Seiko 6R35
Power Reserve
40h
70h
Jewels
25
24
Pricing
1 specsMSRP
$1,955
$900
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