Side by side

Rolex Sea-DwellervsSinn U2 S (EZM 5)

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

U2 S (EZM 5)
SinnU2 S (EZM 5)
MSRP $3,802
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.

Sinn U2 S (EZM 5)

The Sinn U2 S (EZM 5) features good, solid lume that remains readable throughout the night, though some owners find its initial brightness less intense than other dive watches. Reviewers highlight its excellent legibility due to a high-contrast dial and large hands, housed in robust German submarine steel with a scratch-resistant Tegiment-treated bezel. On balance, owners and reviewers appreciate the Sinn U2 S (EZM 5) for its robust construction and clear dial legibility.

At a glance

18 of 29 specs differ
Diameter
Sea-Dweller43mm
U2 S (EZM 5)44mm
Power Reserve
Sea-Dweller70h
U2 S (EZM 5)48h
Water Resistance
Sea-Dweller1,220m
U2 S (EZM 5)2,000m
MSRP
Sea-Dweller$22,450
U2 S (EZM 5)$3,802

Full specifications

Case

7 specs
Diameter
43mm
44mm
Thickness
15.5mm
Lug Width
22mm
Material
Yellow Rolesor
Stainless Steel
Finish
black
Water Resistance
1220m
2000m
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Indices
Index
Lume
Chromalight
Luminescent

Movement

6 specs
Caliber
3235
SW 330-2
Power Reserve
70h
48h
Jewels
31
25
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date
GMT, Date

Pricing

1 specs
MSRP
$22,450
$3,802
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