Side by side

Lorier Hydra SIIIvsSeiko Prospex Sea The Black Series

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

Hydra SIII
LorierHydra SIII
MSRP $699
Prospex Sea The Black Series
SeikoProspex Sea The Black Series
MSRP $765

At a glance

11 of 29 specs differ
Diameter
Hydra SIII39mm
Prospex Sea The Black Series45mm
Power Reserve
Hydra SIII40h
Prospex Sea The Black Series41h
Water Resistance
Hydra SIII200m
Prospex Sea The Black Series200m
MSRP
Hydra SIII$699
Prospex Sea The Black Series$765

Full specifications

Case

4 specs
Diameter
39mm
45mm
Thickness
13.2mm
Lug-to-Lug
47.7mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
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
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$699
$765

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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 Sea The Black Series

The Seiko Prospex Sea The Black Series is widely praised for its impressive value and compelling design elements. Reviewers highlight the SLA073's cave-diving-inspired dial, high-quality bracelet, and the robust 8L35 movement, calling it a standout release. The SRPE33 and SRPE39 models are noted for their attractive price, manta ray decorated dials, and excellent LumiBrite lume, though bezel alignment can be inconsistent. The SNJ029 is celebrated for its dynamic, colorful aesthetic, solar charging, and comfortable strap, making it ideal for outdoor adventures. Overall, the consensus is that Seiko Prospex Sea The Black Series models offer excellent value, with specific models lauded for their unique dials, quality finishing, and practical features like solar charging.

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