Side by side

Sinn 240 St GZvsIWC Schaffhausen Iw328801 Aquatimer Automatic

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.

Sinn 240 St GZ

The Sinn 240 St GZ is praised for its highly legible, contrasting dial and bead-blasted stainless steel case, which benefits from Sinn's hardening treatment. Owners note the crystal is perfect, and the Tegimented PVD bracelet is in near-new condition. However, reviewers flag the inner rotating bezel as slightly wobbly and rattly, and the Sellita SW220-1 movement is described as coarse with rough winding. On balance, owners and reviewers appreciate the Sinn 240 St GZ for its excellent dial legibility and robust case finishing.

From video reviewers

The unique internal tide bezel is a key functional element for maritime use. Reviewers noted the SW 220-1 movement and 100m water resistance. No shared weaknesses or points of disagreement were identified.

IWC Schaffhausen Iw328801 Aquatimer Automatic

Owners widely praise the IWC Schaffhausen Iw328801 Aquatimer Automatic as a beautiful, solid, and hard-wearing watch with great lume and a functional bezel. Some owners find it chunky and note that the non-removable bars limit strap options, while one reviewer suggests its utilitarian and angular look, combined with a non-tapering bracelet and substantial weight, indicates a need for evolutionary refinement. The 42mm case feels robust and over-engineered, featuring a unique SafeDive bezel system. The IWC 32111 automatic movement offers a 120-hour power reserve. On balance, owners and reviewers rate the IWC Schaffhausen Iw328801 Aquatimer Automatic well for its robust build and unique bezel system, despite some finding it chunky.

At a glance

18 of 29 specs differ
Diameter
240 St GZ43mm
Iw328801 Aquatimer Automatic42mm
Power Reserve
240 St GZ38h
Iw328801 Aquatimer Automatic120h
Water Resistance
240 St GZ100m
Iw328801 Aquatimer Automatic300m
MSRP
240 St GZ$2,311
Iw328801 Aquatimer Automatic$6,700

Full specifications

Case

6 specs
Category
Tool
Diver
Diameter
43mm
42mm
Thickness
11mm
14.1mm
Finish
bead-blasted
Steel
Water Resistance
100m
300m
Caseback

Crystal & Dial

5 specs
Crystal
Sapphire
Crystal Shape
AR Coating
Underside
Indices
Lume
Luminescent
None

Movement

6 specs
Caliber
Sellita SW220-1
32111
Power Reserve
38h
120h
Jewels
26
21
Hacking
No
Yes
Hand-winding
No
Yes
Complications
Date, Day-Date
None

Pricing

1 specs
MSRP
$2,311
$6,700
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