Lorier Hydra SIIIvsSeiko Prospex Sea 1968 Heritage Diver's GMT

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Lorier Hydra SIII at true scale

Hydra SIII

Seiko Prospex Sea 1968 Heritage Diver's GMT at true scale

Prospex Sea 1968 Heritage Diver's GMT

Diameter

39mm

42mm

Lug-to-Lug

n/a

48.6mm

Thickness

n/a

12.9mm

Water Resistance

200m

200m

Power Reserve

n/a

72h

MSRP

$699

lowest

$1,500

Movement

Automatic

Seiko 6R54

Case

3 specs
Diameter
39mm
42mm
Thickness
n/a
12.9mm
Lug-to-Lug
n/a
48.6mm

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Blue
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
n/a
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$699
$1,500
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Reviews

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

Lorier Hydra SIII

Owners praise the Lorier Hydra SIII as an excellent daily and travel watch, appreciating its vintage-inspired aesthetics and GADA capabilities. Reviewers note its smooth bezel action and well-executed crown, with one owner finding the winding action buttery. Accuracy figures from owners and reviewers range from +7 to +8.5 seconds per day. The domed Hesalite crystal's distortion may not appeal to all, and some find the finishing a tad rough around the edges, though it is considered good for the price. On balance, owners and reviewers rate the Lorier Hydra SIII highly for its value and travel-ready feature set.

From video reviewers

The watch is praised for its vintage-inspired design and competitive pricing. Reviewers noted the attractive dial and hands. No shared weakness was identified.

Seiko Prospex Sea 1968 Heritage Diver's GMT

The Seiko Prospex Sea 1968 Heritage Diver's GMT is widely praised for its build quality, finishing, and value, with owners noting its comfortable wearability and attractive aesthetic, particularly the silver/white sunray dial and blue ceramic bezel. The improved bracelet clasp with excellent micro-adjustment is a recurring positive point. Some owners report accuracy figures of +3 seconds per day or +/- 5 seconds per day, exceeding the movement's stated range. However, the GMT functionality is considered secondary to its dive watch capabilities by some, with the GMT scale being difficult to read and the caller-style GMT movement being a drawback for certain users. The dial contrast is also noted as lacking by some, and the crown at 4 o'clock is undesirable for a few. On balance, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT highly for its blend of dive watch character and GMT functionality, offering significant features for its price.

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