Side by side

IWC Schaffhausen IWC Aquatimer ChronographvsSeiko 5 Sports SKX series

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.

IWC Schaffhausen IWC Aquatimer Chronograph

Owners widely praise the IWC Schaffhausen IWC Aquatimer Chronograph as an overbuilt, underappreciated tool watch prioritizing engineering and reliability, with impeccable finishing, captivating appearance, and excellent lume. The chronograph pushers offer mechanical feedback, and the internal rotating bezel enhances safety. Some owners find the chronograph variant chunky at 17mm and note the welded lugs limit strap options to OEM choices or require specific modifications for third-party straps. One owner notes its 120m water resistance, attributing the reduction from the non-chrono version to non-screw-down pushers. Overall, owners rate the IWC Schaffhausen IWC Aquatimer Chronograph highly for its solid build, beautiful looks, and functional integrity.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised for its value, robust build, and powerful lume, with owners appreciating its comfortable bracelets and improved movement featuring hacking and hand-winding. Some owners find the original SKX models heavy and bulky, while others praise their ruggedness and iconic dive watch design. Reviewers note the 38mm models offer great value at around €350 and are exemplary gateway watches, though their 100m water resistance without a screw-down crown makes them unsuitable for diving. The Seiko 5 Sports SKX series is seen as a decent watch, especially under £200, but lacks the tool watch capabilities of the original SKX, missing a screw-down crown, bezel pip, and ISO rating. On balance, owners and reviewers rate the Seiko 5 Sports SKX series well for its blend of value, improved movement, and tool-watch aesthetic, despite some missing dive certifications.

At a glance

17 of 29 specs differ
Diameter
IWC Aquatimer Chronograph44mm
5 Sports SKX series38mm
Power Reserve
IWC Aquatimer Chronograph44h
5 Sports SKX series41h
Water Resistance
IWC Aquatimer Chronograph300m
5 Sports SKX series100m
MSRP
IWC Aquatimer Chronograph$7,900
5 Sports SKX series$350

Full specifications

Case

7 specs
Diameter
44mm
38mm
Thickness
17mm
12.1mm
Lug-to-Lug
44.2mm
Lug Width
22mm
20mm
Finish
Steel
Brushed and polished
Water Resistance
300m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Hardlex
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
None
LumiBrite on hands and index(es)

Movement

4 specs
Caliber
79320
4R36
Power Reserve
44h
41h
Jewels
25
24
Complications
Chronograph
None

Pricing

1 specs
MSRP
$7,900
$350
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