Side by side

Rolex Rolex DeepseavsSeiko Prospex LX line

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Rolex Deepsea

Owners widely report the Rolex Deepsea is a substantial, well-built watch with impressive engineering, praised for its robust compression architecture and the caliber 3235 movement's stringent accuracy certification. Some owners find the Rolex Deepsea exceptionally comfortable on a Rubber B strap, while others note it is thick and heavy but well-balanced by its bracelet. The watch's large size is polarizing, with some finding it niche and potentially too large for smaller wrists, while others appreciate its unique design elements and consider it Rolex's most serious workhorse. On balance, owners and reviewers rate the Rolex Deepsea highly for its impressive engineering and robust build, despite its polarizing size.

Seiko Prospex LX line

Owners widely report the Seiko Prospex LX line's finishing is a step up from other models, with a case that sits well on the wrist, and some praise the green sunburst dial with blue anti-reflective sapphire crystal as phenomenal. However, owners note the high MSRP limited sales, with some desiring smaller cases and a reduced price, and others experienced quality control issues such as detached second hands and peeling DLC coating, leading to concerns about fragility. On balance, owners feel the Seiko Prospex LX line was discontinued due to pricing that alienated its target market, despite its attractive dial.

At a glance

21 of 29 specs differ
Diameter
Rolex Deepsea44mm
Prospex LX line44.8mm
Power Reserve
Rolex Deepsea70h
Prospex LX line72h
Water Resistance
Rolex Deepsea3,900m
Prospex LX line300m
MSRP
Rolex Deepsea$15,550
Prospex LX line$6,500

Full specifications

Case

7 specs
Diameter
44mm
44.8mm
Thickness
5.5mm
15.7mm
Lug-to-Lug
50.9mm
Lug Width
22mm
Material
Oystersteel
Titanium
Water Resistance
3900m
300m
Caseback
Monobloc middle case, screw-down case back and winding crown. Rolex Ringlock System case architecture with Helium escape valve

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Indices
Index
Lume
Chromalight
LumiBrite on hands and index(es)

Movement

8 specs
Caliber
3235
5R65
Type
Automatic
Spring Drive
Beat Rate
28,800 vph
0 vph
Power Reserve
70h
72h
Jewels
31
30
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date
None

Pricing

1 specs
MSRP
$15,550
$6,500
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