Side by side

Spinnaker Cahill AutomaticvsStudio Underd0g Project Passion Crew

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Project Passion Crew
Studio Underd0gProject Passion Crew
MSRP $840

At a glance

10 of 29 specs differ
Diameter
Cahill Automatic42mm
Project Passion Crew39.5mm
Power Reserve
Cahill Automatic40h
Project Passion Crew40h
Water Resistance
Cahill Automatic200m
Project Passion Crew
MSRP
Cahill Automatic$350
Project Passion Crew$840

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
42mm
39.5mm
Thickness
13.7mm
Lug-to-Lug
51mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m

Crystal & Dial

1 specs
Dial Color
Green
Standard

Movement

1 specs
Caliber
SII NH35A

Pricing

1 specs
MSRP
$350
$840

Follow this matchup

Get a note when Spinnaker Cahill Automatic vs Studio Underd0g Project Passion Crew gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

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.

Studio Underd0g Project Passion Crew

The Studio Underd0g Project Passion Crew is noted for its unique "coarse dégradé amber and royal purple" multi-layer dial and manual-wind Sellita SW510 M chronograph movement with a 63-hour power reserve. However, its accessibility is severely limited as it is only sold as a $64,900 set with another watch. Overall, reviewers highlight the distinctive dial and chronograph movement as key features, though the high price and bundled sale significantly restrict its availability.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.