Side by side

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

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

What people say

Owners + reviewers, side by side

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

Feynman Timekeepers Cove

Owners widely praise the Feynman Timekeepers Cove for its original and versatile design. One owner highlights the lume as a key appeal. One owner found the Feynman Cove outside their price range. Overall, owners rate the Feynman Timekeepers Cove highly for its original and versatile design.

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, distinguished by a grey bezel insert and a wave-patterned silvery-white dial. The clasp includes an improved diving suit extension. Owners note the MarineMaster case is comfortable and wearable. However, some owners criticize the 6R54 movement's accuracy, reporting deviations of +25/-15 seconds per day, and find the production number too large for a "limited" edition, deeming it too expensive. On balance, owners rate the Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition positively for its comfortable case and attractive dial, despite concerns regarding its price and movement accuracy.

At a glance

11 of 29 specs differ
Diameter
Cove40mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition40mm
Power Reserve
Cove50h
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Cove200m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
Cove$1,045
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,400

Full specifications

Case

4 specs
Category
Diver
Thickness
12.8mm
13mm
Lug-to-Lug
46mm
46.4mm
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
C3 X1-grade Swiss SuperLuminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
ETA 2895-2
6R55
Power Reserve
50h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$1,045
$1,400
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