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Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited EditionvsTudor Black Bay 68

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

What people say

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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.

Tudor Black Bay 68

The Tudor Black Bay 68 is praised for its METAS Master Chronometer-certified MT5601-U movement, which provides superior accuracy of -2/+4 seconds per day and a 70-hour power reserve. Reviewers highlight its comfortable 13.6mm thickness and the appeal of the Tudor blue dial with a matte black bezel insert. The watch features a brushed and polished 43mm case, a domed sapphire crystal, and a bracelet without faux rivets. On balance, reviewers find the Tudor Black Bay 68 a sensible, larger vintage-inspired diver with excellent timekeeping.

At a glance

15 of 29 specs differ
Diameter
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition42mm
Black Bay 6843mm
Power Reserve
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Black Bay 6870h
Water Resistance
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
Black Bay 68200m
MSRP
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,750
Black Bay 68$5,475

Full specifications

Case

7 specs
Diameter
42mm
43mm
Thickness
13.3mm
13.6mm
Lug-to-Lug
48.6mm
0mm
Lug Width
20mm
22mm
Finish
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid screw-down

Crystal & Dial

4 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Blue
Indices
Applied
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
6R54
MT5601-U
Power Reserve
72h
70h
Jewels
24
0

Pricing

1 specs
MSRP
$1,750
$5,475
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