Side by side

Spinnaker Cahill AutomaticvsTissot Seastar 2000

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350
Seastar 2000
TissotSeastar 2000
MSRP $1,275

At a glance

13 of 29 specs differ
Diameter
Cahill Automatic42mm
Seastar 200046mm
Power Reserve
Cahill Automatic40h
Seastar 200080h
Water Resistance
Cahill Automatic200m
Seastar 2000600m
MSRP
Cahill Automatic$350
Seastar 2000$1,275

Full specifications

Case

5 specs
Diameter
42mm
46mm
Thickness
13.7mm
16.25mm
Lug-to-Lug
51mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
600m

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
Green
Graded blue-black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
SII NH35A
Powermatic 80
Power Reserve
40h
80h

Pricing

1 specs
MSRP
$350
$1,275

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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 Seastar 2000

Owners widely praise the Tissot Seastar 2000 for its impressive specifications at its price point, including an 80-hour power reserve, ISO 6425 certification, sapphire crystal, ceramic bezel, and 600m water resistance, with its dial quality and finishing considered superior for its class. The blue dial is frequently highlighted as particularly sharp and legible. However, the watch's substantial size and weight are consistent drawbacks; its 46mm width, 16.3mm thickness, and 52mm lug-to-lug dimension make it too large for some for everyday wear, with a rubber strap often recommended over the metal bracelet for comfort. A significant concern raised by multiple owners is the bezel's tendency to become loose and lose its click, with one reporting this on two separate watches. Accuracy figures vary, with one owner noting +1 second per day and another around +5 seconds per day.

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