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Halios Seaforth IV

The Halios Seaforth IV is a 41mm dive watch in titanium, powered by a Swiss SW200-1 movement.

The Halios Seaforth IV is a benchmark in microbrand dive watch design. This generation is built with a lightweight titanium case option, offering a matte finish that contrasts with bold dial colors like pastel blue and bahama yellow.

Overview

Brand: Halios
Model: Seaforth IV
Collection: Seaforth
Price: $775–$850 USD
Website: halioswatches.com

Specifications

Case Diameter: 41.0mm
Thickness: 12.4mm
Lug to Lug: 46.5mm
Lug Width: 20.0mm
Water Resistance: 200m
Case Material: Titanium
Crystal: Sapphire
Strap/Bracelet: Rubber Strap

Design & Wearability

Measuring 41mm in diameter but with a short 46.5mm lug-to-lug, the Seaforth IV sits comfortably. It includes a custom FKM rubber strap designed to withstand dive conditions.

Movement & Performance

The Swiss Sellita SW200-1 automatic movement powers the Seaforth IV. With 28,800 vph and a 38-hour power reserve, it provides a stable and accurate movement foundation.

Official Website

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Tags: , , , , , , Last modified: 26 May 2026
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