Side by side

RZE AspirarevsSinn U2 S (EZM 5)

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

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What people say

Owners + reviewers, side by side

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

RZE Aspirare

The RZE Aspirare is widely praised for its exceptional value and build quality at $599, featuring a 44mm titanium case with UltraHex coating and a Miyota 9015 movement. Owners find the watch surprisingly comfortable, even on smaller wrists, and appreciate its modern, futuristic design and interchangeable bezel system. Some reviewers note the minute hand appears slightly short relative to the chapter ring, and the 53mm lug-to-lug may be challenging for smaller wrists. On balance, owners and reviewers rate the RZE Aspirare highly for its robust titanium construction and strong value proposition.

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

16 of 29 specs differ
Diameter
Aspirare44mm
U2 S (EZM 5)44mm
Power Reserve
Aspirare
U2 S (EZM 5)48h
Water Resistance
Aspirare200m
U2 S (EZM 5)2,000m
MSRP
Aspirare$699
U2 S (EZM 5)$3,802

Full specifications

Case

6 specs
Thickness
13mm
15.5mm
Lug-to-Lug
53mm
Material
Grade 5 Titanium
Stainless Steel
Finish
black
Water Resistance
200m
2000m
Caseback
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Dial Color
White
Black
Indices
Lume
None
Luminescent

Movement

5 specs
Caliber
Miyota 9039
Sellita SW330-2
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
48h
Jewels
0
25
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$699
$3,802
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