Certina DS Action Diver ChronovsIWC Schaffhausen Aquatimer Chronograph

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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.

Certina DS Action Diver Chrono at true scale

DS Action Diver Chrono

IWC Schaffhausen Aquatimer Chronograph at true scale

Aquatimer Chronograph

Diameter

44.6mm

44mm

Lug-to-Lug

52.6mm

n/a

Thickness

16.2mm

lowest

17mm

Water Resistance

300m

300m

Power Reserve

n/a

44h

MSRP

$2,219

lowest

$7,900

Movement

Tissot Valjoux A05.231

79320

Case

5 specs
Diameter
44.6mm
44mm
Thickness
16.17mm
17mm
Lug-to-Lug
52.58mm
n/a
Lug Width
21mm
22mm
Finish
n/a
Steel

Crystal & Dial

1 specs
Dial Color
n/a
Black

Movement

7 specs
Caliber
Tissot Valjoux A05.231
79320
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
44h
Jewels
0
25
Hacking
No
Yes
Hand-winding
No
Yes
Complications
None
Chronograph

Pricing

1 specs
MSRP
$2,219
$7,900
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Reviews

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

Certina DS Action Diver Chrono

Owners widely praise the Certina DS Action Diver Chrono for its excellent value and high-end feel, with many considering it one of the best Swiss or Japanese divers under $2000. Reviewers and owners alike highlight its robust build, attractive design, and well-finished case, with some preferring the contrast of the steel version for readability. One owner notes the chronograph totaliser lacks lume, and another finds the 21mm lug width inconvenient for strap changes. The Certina DS Action Diver Chrono is powered by the Tissot Valjoux A05.231 automatic movement and has a 68-hour power reserve, though one owner mentions a low reserve requiring daily winding if not worn extensively. Overall, owners rate the Certina DS Action Diver Chrono highly for its exceptional quality and value at its price point.

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.

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