Side by side

Spinnaker Cahill AutomaticvsStudio Underd0g Watermelon (Gen3)

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Watermelon (Gen3)
Studio Underd0gWatermelon (Gen3)
MSRP $550

At a glance

11 of 29 specs differ
Diameter
Cahill Automatic42mm
Watermelon (Gen3)38.5mm
Power Reserve
Cahill Automatic40h
Watermelon (Gen3)40h
Water Resistance
Cahill Automatic200m
Watermelon (Gen3)
MSRP
Cahill Automatic$350
Watermelon (Gen3)$550

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
42mm
38.5mm
Thickness
13.7mm
Lug-to-Lug
51mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m

Crystal & Dial

2 specs
AR Coating
Inner
Inside
Dial Color
Green

Movement

1 specs
Caliber
SII NH35A

Pricing

1 specs
MSRP
$350
$550

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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.

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 Watermelon (Gen3)

Owners widely praise the Studio Underd0g Watermelon (Gen3) for its fun, entrepreneurial, and affordable nature, with a design described as "Bauhaus meets Bugs Bunny." However, some find its colors a love-it-or-hate-it feature and others perceive the overall quality and finishing as a tier below comparable watches. Accuracy figures are not specified, but one owner found the watch too thick for their taste. The chronograph function has been noted as potentially sticky or jumpy. On balance, owners are divided on the Studio Underd0g Watermelon (Gen3), with opinions split between its unique design and perceived value for money.

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