Side by side

Lorier Hydra SIIIvsSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition

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

At a glance

14 of 29 specs differ
Diameter
Hydra SIII39mm
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition45.4mm
Power Reserve
Hydra SIII40h
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Hydra SIII200m
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition600m
MSRP
Hydra SIII$699
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition$4,600

Full specifications

Case

6 specs
Diameter
39mm
45.4mm
Thickness
16mm
Lug-to-Lug
50.4mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
200m
600m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
8L45
Power Reserve
40h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$699
$4,600

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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.

Lorier Hydra SIII

Owners and reviewers praise the Lorier Hydra SIII for its value, GMT functionality via the Miyota 9075 movement, and classic travel-diver aesthetics. Some reviewers note the finishing is simple or a tad rough around the edges, while others find it good for the price. Accuracy figures range from +7 to +8.5 seconds per day. The domed Hesalite crystal may exhibit distortion. Overall, owners and reviewers rate the Lorier Hydra SIII highly for its feature set and value proposition in a travel-diver format.

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

Owners widely praise the Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition's titanium monobloc case construction and the dial's blue gradient finish. Some owners find the 45.4mm diameter and 16mm thickness too large, noting a poor dial-to-bezel ratio and excessive text on the dial. The 8L45 movement offers a 72-hour power reserve, with reported accuracy ranging from +10/-5 seconds per day to +25/-15 seconds per day. On balance, owners appreciate the watch's tool watch vibe and unique dial construction, despite some reservations about its size and price.

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