Side by side

Spinnaker Cahill AutomaticvsStudio Underd0g Full Moon

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Full Moon
Studio Underd0gFull Moon
MSRP $800

At a glance

11 of 29 specs differ
Diameter
Cahill Automatic42mm
Full Moon39.5mm
Power Reserve
Cahill Automatic40h
Full Moon40h
Water Resistance
Cahill Automatic200m
Full Moon
MSRP
Cahill Automatic$350
Full Moon$800

Full specifications

Case

7 specs
Category
Diver
Casual
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

2 specs
Caliber
SII NH35A
Type
Automatic
Manual

Pricing

1 specs
MSRP
$350
$800

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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 Full Moon

Owners widely praise the Studio Underd0g Full Moon's harmonious creamy dial and its 37mm case, which fits flawlessly. The innovative sapphire disc with numerals is a highlight, though two visible screws holding it are noted as a minor aesthetic drawback. Some owners find the watch overpriced, while others see value in the upgraded Sellita movement under $1k. Lume is surprisingly good, and the included NATO strap is preferred by some over the leather. Accuracy ranges from +1/+2 seconds per day to about -6 seconds per day. On balance, owners rate the Studio Underd0g Full Moon highly for its versatile dial and well-fitting case at the price point.

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