Side by side

Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited EditionvsSpinnaker Cahill Automatic

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

Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

12 of 29 specs differ
Diameter
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition42mm
Cahill Automatic42mm
Power Reserve
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Cahill Automatic40h
Water Resistance
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
Cahill Automatic200m
MSRP
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,750
Cahill Automatic$350

Full specifications

Case

5 specs
Thickness
13.3mm
13.7mm
Lug-to-Lug
48.6mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Green
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R54
SII NH35A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,750
$350

Follow this matchup

Get a note when Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition vs Spinnaker Cahill Automatic gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

The Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition features a 40mm case, 300m water resistance, and a 72-hour power reserve from the Calibre 6R55 movement, with a new grey bezel insert and a wave-patterned silvery-white dial. Owners find the watch attractive and the large case wears well without feeling bulky. However, some consider the price of €1900 for a 6R54 movement with an accuracy of +25/-15 seconds per day to be too high, and the production run of 6000 units is not seen as a true limited edition. Overall, owners find the Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition aesthetically pleasing with good wearability, but express concerns regarding its value proposition and movement accuracy for the price.

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.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.