Side by side

Spinnaker Cahill AutomaticvsTissot Rockwatch

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Rockwatch
TissotRockwatch
MSRP $1,225

At a glance

13 of 29 specs differ
Diameter
Cahill Automatic42mm
Rockwatch38mm
Power Reserve
Cahill Automatic40h
Rockwatch40h
Water Resistance
Cahill Automatic200m
Rockwatch100m
MSRP
Cahill Automatic$350
Rockwatch$1,225

Full specifications

Case

7 specs
Category
Diver
Sport
Diameter
42mm
38mm
Thickness
13.7mm
8.6mm
Lug-to-Lug
51mm
38mm
Lug Width
22mm
9mm
Material
316L Stainless Steel
Stone
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Green
No dial

Movement

2 specs
Caliber
SII NH35A
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$350
$1,225

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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.

Tissot Rockwatch

The Tissot Rockwatch is widely praised for its innovative use of solid Swiss granite for the case and dial, with each piece featuring a unique pattern derived from materials like the Jungfrau mountain. Reviewers highlight its quirky charm, tactile experience, and historical significance as a business success for Tissot during a difficult period. The 38mm case size and short lug-to-lug measurement contribute to its wearability. However, the included black leather strap is considered decent at best and could be improved. Overall, reviewers celebrate the Tissot Rockwatch for its unique material, historical importance, and distinctive aesthetic.

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