Side by side

RZE AspirarevsSeiko 5KX

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

Aspirare
RZEAspirare
MSRP $699
5KX
Seiko5KX
MSRP $350
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.

Seiko 5KX

Owners widely praise the Seiko 5 Sports SKX series for its strong lume and comfortable wearability, with many noting its compact feel due to a short lug-to-lug length. The NH36 movement's accuracy varies, with typical performance between +/-5 to 10 seconds per day, though some report better. A lack of screw-down crown and ISO certification are noted drawbacks for its water resistance. Some owners find the bracelet to be of cheaper construction with hollow links, and a few have reported quality control issues. The consensus is that the Seiko 5 Sports SKX series offers good value for its price, appealing to those who appreciate its tool-like nature and iconic lineage.

At a glance

14 of 29 specs differ
Diameter
Aspirare44mm
5KX42.5mm
Power Reserve
Aspirare40h
5KX41h
Water Resistance
Aspirare200m
5KX100m
MSRP
Aspirare$699
5KX$350

Full specifications

Case

6 specs
Diameter
44mm
42.5mm
Thickness
13mm
13.4mm
Lug-to-Lug
53mm
46mm
Material
Grade 5 Titanium
Stainless Steel
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Hardlex
AR Coating
Underside
Inner
Dial Color
White
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 9039
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$699
$350
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