Side by side

Rolex Sea-DwellervsSeiko Prospex Sea

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

Sea-Dweller
RolexSea-Dweller
MSRP $22,450
Prospex Sea
SeikoProspex Sea
MSRP $625
What people say

Owners + reviewers, side by side

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

Rolex Sea-Dweller

The Rolex Sea-Dweller is widely considered a masculine and substantial watch, with owners appreciating its clean look and red dial text. Some find its 43mm size and thickness make it feel like a "tank" and potentially cause arm fatigue, especially for those with smaller wrists or after weight loss, while others prefer its chunkiness and consider it more proportionally appropriate for larger wrists. The Rolex Sea-Dweller is seen by some as a niche product compared to the Submariner due to its size and heft. One owner considers the Sea-Dweller 43mm dial superior to other modern Rolexes, noting its matte-ish finish and red lettering. On balance, owners rate the Rolex Sea-Dweller highly for its distinctive aesthetic and substantial presence, though its size and weight are polarizing factors.

Seiko Prospex Sea

The Seiko Prospex Sea is widely praised for its excellent value, solid build quality, and comfortable wearability, with many models featuring impressive lume and attractive dials. Owners and reviewers highlight the modern upgrades on classic designs, such as drilled lugs and reliable movements with hacking and hand-winding capabilities. Some models are noted for their refined case finishing and scratch resistance. Accuracy figures vary, with one owner reporting approximately 4 seconds fast per day, while others find the movements offer good performance for the price. Concerns raised by owners and reviewers include clasps that can feel generic or cheap, and lug widths that some find disproportionate to the case size on certain models. The thickness and weight of some Prospex Sea watches are also noted as substantial. The GMT function on specific models is considered secondary and difficult to read for true travel purposes.

At a glance

16 of 29 specs differ
Diameter
Sea-Dweller43mm
Prospex Sea43.8mm
Power Reserve
Sea-Dweller70h
Prospex Sea41h
Water Resistance
Sea-Dweller1,220m
Prospex Sea200m
MSRP
Sea-Dweller$22,450
Prospex Sea$625

Full specifications

Case

8 specs
Diameter
43mm
43.8mm
Thickness
12.8mm
Lug-to-Lug
48.7mm
Lug Width
22mm
Material
Yellow Rolesor
Stainless Steel
Finish
Brushed and polished
Water Resistance
1220m
200m
Caseback
Monobloc middle case, screw-down case back and winding crown
Solid

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Indices
Index
Applied
Lume
Chromalight
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
3235
Seiko 4R35
Power Reserve
70h
41h
Jewels
31
23
Complications
Date
None

Pricing

1 specs
MSRP
$22,450
$625
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