IWC Schaffhausen Aquatimer ChronographvsSpinnaker Hass Automatic

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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 Chronograph at true scale

Aquatimer Chronograph

Spinnaker Hass Automatic at true scale

Hass Automatic

Diameter

44mm

43mm

Lug-to-Lug

n/a

50mm

Thickness

17mm

16.5mm

lowest

Water Resistance

300m

300m

Power Reserve

44h

n/a

MSRP

$7,900

$445

lowest

Movement

79320

Seiko NH35

Case

5 specs
Diameter
44mm
43mm
Thickness
17mm
16.5mm
Lug-to-Lug
n/a
50mm
Material
Stainless Steel
316L Stainless Steel
Finish
Steel
n/a

Crystal & Dial

1 specs
Dial Color
Black
Flying Dutchman

Movement

7 specs
Caliber
79320
Seiko NH35
Beat Rate
28,800 vph
0 vph
Power Reserve
44h
0h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Chronograph
None

Pricing

1 specs
MSRP
$7,900
$445
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Reviews

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

IWC Schaffhausen Aquatimer Chronograph

Owners widely praise the IWC Schaffhausen IWC Aquatimer Chronograph as an underappreciated, overbuilt tool watch prioritizing engineering and reliability, with its Valjoux-derived movement offering durability and its chronograph pushers providing mechanical feedback. Reviewers and owners consistently flag its impeccable finishing, captivating appearance, dial depth, and excellent lume, with one owner noting its comfortable wearability despite its size and thickness. Some owners find the chronograph variant chunky at 17mm, and the welded lugs limit strap options to OEM choices or require specific modifications for third-party straps. One owner notes the watch's 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 robust build quality and functional design at the price.

Spinnaker Hass Automatic

Owners widely praise the Spinnaker Hass Automatic for its quality and vibrant dial options at an accessible price point. The watch features a Seiko NH35 automatic movement and 300m water resistance. Some owners find Spinnaker watches, including the Hass Automatic, to be on the thicker side, with one user noting a previous model was considered comically large. One owner reported a quality issue with a different Spinnaker model where the crown detached. Overall, owners rate the Spinnaker Hass Automatic highly for its impressive build quality and fun aesthetic relative to its price.

From video reviewers

The dial's recovered marine plastic construction with textured finish provides distinctive material differentiation at the entry-level dive watch price point, and the sapphire crystal with anti-reflective coating ensures strong on-wrist legibility. The 300m water resistance and automatic movement deliver capable specifications, though bracelet quality and fit remain underspecified across reviews.

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