Side by side

Spinnaker Cahill AutomaticvsTissot PR 100

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
PR 100
TissotPR 100
MSRP $450

At a glance

13 of 29 specs differ
Diameter
Cahill Automatic42mm
PR 10036mm
Power Reserve
Cahill Automatic40h
PR 10040h
Water Resistance
Cahill Automatic200m
PR 100100m
MSRP
Cahill Automatic$350
PR 100$450

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
42mm
36mm
Thickness
13.7mm
11.05mm
Lug-to-Lug
51mm
36mm
Lug Width
22mm
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
Dial Color
Green
White mother-of-pearl
Indices
Applied
Index
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
SII NH35A
10 1/2 '''
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$350
$450

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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 PR 100

Owners widely praise the Tissot PR 100 for its excellent value, with specific mentions of its sapphire crystal, 100m water resistance, and the 80-hour power reserve of its Powermatic 80 movement. Reviewers and owners consistently highlight its pleasing winding action and strong lume. Accuracy figures for the Powermatic 80 COSC variants are reported as -2 seconds per day or +/- 1-2 seconds per day. Some owners note that the crystal attracts fingerprints and that the black finish on some bracelets can wear off after extended daily use. A single owner of a quartz model experienced a recurring issue where the watch stopped for periods weekly, which was not resolved by a battery replacement. Overall, owners and reviewers rate the Tissot PR 100 highly for its exceptional value and robust features, particularly its durable construction and reliable movements.

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