Side by side

Oris Aquis Pro 4000mvsSpinnaker Cahill Automatic

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Aquis Pro 4000m
OrisAquis Pro 4000m
MSRP $6,900
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

18 of 29 specs differ
Diameter
Aquis Pro 4000m49.5mm
Cahill Automatic42mm
Power Reserve
Aquis Pro 4000m120 hoursh
Cahill Automatic40h
Water Resistance
Aquis Pro 4000m4,000m
Cahill Automatic200m
MSRP
Aquis Pro 4000m$6,900
Cahill Automatic$350

Full specifications

Case

8 specs
Diameter
49.5mm
42mm
Thickness
13.7mm
Lug-to-Lug
51mm
Lug Width
26mm
22mm
Material
Titanium
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
4000m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
Blue
Green
Indices
Applied

Movement

5 specs
Caliber
CALIBRE 400
SII NH35A
Beat Rate
4 vph
28,800 vph
Power Reserve
120 hoursh
40h
Jewels
21
25
Complications
Date
None

Pricing

1 specs
MSRP
$6,900
$350

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What people say

Owners + reviewers, side by side

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

Oris Aquis Pro 4000m

The Oris Aquis Pro 4000m is widely acknowledged as a substantial dive tool, with reviewers and owners alike noting its impressive 49.5mm diameter and 23.4mm to 25mm thickness. Despite its size, the titanium case and comfortable rubber strap contribute to surprisingly good wearability for some, though others find its dimensions impractical for daily wear. The patented Rotation Safety System for the bezel is praised for its intelligence and functionality, while the in-house Calibre 400 movement offers a 120-hour power reserve and a 10-year warranty. One owner notes that the clasp's quick-adjust pushers can be unintentionally activated during watch removal. Overall, owners and reviewers regard the Oris Aquis Pro 4000m as a stunning, albeit chunky, tool watch whose impressive specifications are its primary draw.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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