IWC Schaffhausen Aquatimer AutomaticvsFormex Reef 39.5 mm

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

IWC Schaffhausen Aquatimer Automatic at true scale

Aquatimer Automatic

Formex Reef 39.5 mm at true scale

Reef 39.5 mm

Diameter

42mm

39.5mm

Lug-to-Lug

n/a

45.5mm

Thickness

14.1mm

11mm

lowest

Water Resistance

300m

300m

Power Reserve

120h

highest

56h

MSRP

$6,700

$2,230

lowest

Movement

32111

Sellita SW300-1

Case

4 specs
Diameter
42mm
39.5mm
Thickness
14.1mm
11mm
Lug-to-Lug
n/a
45.5mm
Finish
Steel
n/a

Crystal & Dial

2 specs
Dial Color
Blue
Bahama Blue
Lume
None
Super-LumiNova

Movement

6 specs
Caliber
32111
Sellita SW300-1
Beat Rate
28,800 vph
0 vph
Power Reserve
120h
56h
Jewels
21
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$6,700
$2,230
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Reviews

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

IWC Schaffhausen Aquatimer Automatic

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

Formex Reef 39.5 mm

The Formex Reef 39.5 mm is widely praised for its refined finishing, improved proportions, and compelling value under €2,000. Owners and reviewers highlight its comfortable wearability on smaller wrists, unique aesthetic, and impressive specifications including 300m water resistance and a COSC-certified Sellita SW300-1 movement. Some note the 22mm lug width feels slightly disproportionate and the bracelet could benefit from more taper. A prototype crown protrusion issue is expected to be resolved in production. Overall, owners rate the Formex Reef 39.5 mm highly for its excellent build quality and tool-like features at its price point.

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