Side by side
Seiko Prospex SeavsRolex Deepsea Challenge
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Prospex Sea42mm
Deepsea Challenge50mm
Power Reserve
Prospex Sea72h
Deepsea Challenge70h
Water Resistance
Prospex Sea300m
Deepsea Challenge1,000m
MSRP
Prospex Sea—
Deepsea Challenge$29,100
Full specifications
Case
8 specsDiameter
42mm
50mm
Thickness
13.3mm
9.5mm
Lug-to-Lug
48.6mm
46mm
Lug Width
20mm
—
Material
Stainless Steel
RLX Titanium
Finish
Brushed and polished
RLX titanium
Water Resistance
300m
1000m
Caseback
Solid
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock system case architecture with nitrogen-alloyed steel ring and helium escape valve
Crystal & Dial
3 specsAR Coating
Anti-reflective coating on inner surface
—
Indices
Applied
Index
Lume
LumiBrite on hands, index(es) and bezel
Chromalight
Movement
3 specsCaliber
6R54
3230
Power Reserve
72h
70h
Jewels
24
31
Pricing
1 specsMSRP
—
$29,100
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