Which is cheaper, the Lorier Hydra SIII or the Grand Seiko STGF359?

At MSRP the Lorier Hydra SIII is the cheaper of the two at $699, against $2,600 for the Grand Seiko STGF359 — a $1,901 gap before any retailer discounting.

Which is bigger, the Lorier Hydra SIII or the Grand Seiko STGF359?

The Lorier Hydra SIII wears larger at 39mm versus 28.9mm for the Grand Seiko STGF359 — a 10.1mm difference across the dial.

Which has better water resistance, the Lorier Hydra SIII or the Grand Seiko STGF359?

The Lorier Hydra SIII is rated to 200m versus 100m for the Grand Seiko STGF359.

What movement does the Lorier Hydra SIII run compared to the Grand Seiko STGF359?

The Lorier Hydra SIII runs a automatic caliber, while the Grand Seiko STGF359 runs a quartz (4J52).

Side by side

Lorier Hydra SIIIvsGrand Seiko STGF359

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

Lorier Hydra SIII

hydra-siii

MSRP $699

Grand Seiko STGF359

stgf359g

MSRP $2,600

At a glance

11 of 29 specs differ

Diameter

Hydra SIII39mm

STGF35928.9mm

Power Reserve

Hydra SIII40h

STGF35940h

Water Resistance

Hydra SIII200m

STGF359100m

MSRP

Hydra SIII$699

STGF359$2,600

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

Blue

Black

Movement

2 specs

Caliber

—

4J52

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$699

$2,600

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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.

Owners widely praise the Grand Seiko STGF359 for its elegant pairing with an engagement ring. Some owners find the 29mm case size too small for a man's wrist, while others suggest it can be worn by men with smaller wrists, recommending an in-person try-on. One owner notes potential date wheel misalignment requiring servicing. The bracelet has a maximum perimeter of 185mm, with extra links available. On balance, owners value the Grand Seiko STGF359 for its elegant aesthetic, though its small size is a point of consideration.

From video reviewers

The Grand Seiko STGF359 features a 9F quartz movement with exceptional accuracy, deviating by only +/−10 seconds per year. A drawback of the watch is its 40mm case size, which may be a concern for those with smaller wrists. Reviewers disagree on the type of movement, with one praising the 9F quartz and the other highlighting the spring drive movement.

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