Lorier Hydra SIII ZuluvsSeiko Prospex Sea 1968 Heritage Diver's GMT
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Hydra SIII Zulu

Prospex Sea 1968 Heritage Diver's GMT
Diameter
41mm
42mm
Lug-to-Lug
46mm
lowest
48.6mm
Thickness
14.6mm
12.9mm
lowest
Water Resistance
200m
200m
Power Reserve
n/a
72h
MSRP
$599
lowest
$1,500
Movement
Miyota 9075
Seiko 6R54
Case
3 specsCrystal & Dial
3 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Lorier Hydra SIII Zulu is widely praised for its striking design and value, offering flyer GMT functionality via the Miyota 9075 movement for $599. Owners appreciate its retro aesthetic, with the domed Hesalite crystal and two-color lume contributing to good legibility and a vintage vibe. The 41mm case wears smaller due to its 46mm lug-to-lug distance, making it comfortable for many wrists. However, some find the finishing "a tad rough around the edges" and the dial busy, with one owner returning it due to its weight and crowded subdial. The Hesalite crystal, while minimizing reflections and offering a vintage look, is prone to scratching, though a polishing kit is included. Overall, owners and reviewers rate the Lorier Hydra SIII Zulu highly for its compelling blend of vintage design, modern GMT functionality, and accessible price.
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.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.







