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Lorier Neptune Series IV Dive Watch Review
ReviewLorierDive WatchMicrobrand

Lorier Neptune Series IV Dive Watch Review

MicrobrandHub Editorial·7 April 2026·5 min read·View Lorier

The Lorier Neptune Series IV is a compelling vintage-inspired dive watch that masterfully blends classic aesthetics with modern reliability. Its compact 39mm case, domed acrylic crystal, and Miyota 9000-series movement offer a distinct, charming package at an accessible price point.

Overview Lorier's Neptune has consistently been the brand's flagship, and the Series IV refines the formula into a near-perfect vintage-diver tribute. It captures the spirit of 1960s skin divers without being a slavish replica, offering a tool-watch ethos that feels both nostalgic and entirely wearable today. This is a watch designed for enthusiasts who appreciate thoughtful details and a specific, charming character.

Design The 39mm stainless steel case, with its slim 10.4mm profile and 47mm lug-to-lug, is a masterclass in versatile, wrist-friendly dimensions. The high-dome acrylic crystal creates mesmerizing light distortions and a warmth that flat sapphire can't match, though it will develop a 'character' of light scratches. The gilt dial, applied indices, and sharply executed sword hands are exceptionally legible. The bidirectional bezel action is satisfyingly crisp, and the inclusion of both a beads-of-rice bracelet and a tropic rubber strap provides impressive versatility straight from the box.

Movement Inside beats the Japanese Miyota 9015 automatic movement, a proven workhorse with a 42-hour power reserve and 24 jewels. Its reliability and accuracy are well-documented, and its slimness contributes to the watch's excellent proportions. While some may pine for a Swiss alternative, the Miyota's performance and serviceability keep the overall cost reasonable, aligning perfectly with Lorier's value proposition.

Value At just under $500, the Neptune Series IV presents outstanding value. The level of finishing, the inclusion of two high-quality straps, and the cohesive, well-executed design punch far above their weight class. You are paying for thoughtful design and quality materials, not marketing overhead, which is the hallmark of a great microbrand.

Verdict The Lorier Neptune Series IV is a standout in the crowded sub-$500 dive watch segment. It makes a compelling case for charm over mere specification, proving that acrylic crystals and vintage proportions, when done right, have a potent appeal. It's a watch you buy for its specific personality and wear for its effortless style and comfort. For those seeking a distinctive, well-made diver with soul, the Neptune is easy to recommend.