Watch Sensei
H
Halios
Halios

Seaforth

$750Sold out

The watch that defined the modern do-it-all diver: 41mm but wears like 40, a chef's-kiss double-domed crystal, and the kind of proportions enthusiasts obsess over. Sold out in minutes, as ever.

9.0
Exceptional

Sensei Score — Exceptional

A genre benchmark. Buy with confidence.

Where to buy

Independent rating. Purchase links may be affiliate.

Sensei Says

The specs, in plain English

The movement

Sellita SW200-1. An upper-tier movement: tighter regulation, better materials and a longer power reserve. You feel the quality in the winding and the rate.

On the wrist

At 41 mm it has present, sporty proportions, a 47 mm lug-to-lug suits most wrists.

The value

Strong value: the score-to-price ratio is hard to argue with.

Specifications

Reference
SEAFORTH-ABYSS
Released
2021
Production
Discontinued
Movement
Automatic
Calibre
Sellita SW200-1
Movement tier
Upper-tier
Power reserve
38 h
Case diameter
41 mm
Lug-to-lug
47 mm
Thickness
12.6 mm
Lug width
20 mm
Case shape
Round
Case material
Stainless steel
Water resistance
200 m
Crystal
Sapphire · Double-dome, AR inside
Bezel
Dive (unidirectional)
Caseback
Engraved
Dial colour
Abyss blue
Dial finish
Sunburst
Indices
Applied
Lume
Yes — Super-LumiNova BGW9
Strap / bracelet
Steel bracelet / rubber
Clasp
Deployant
Functions
Hours, Minutes, Seconds, Date
Fit
Men's
Originality
Original
Powered by the Sellita SW200-1 — see every watch using it →

The Gateway

If you love these grails

Shared design language, not a clone. Here's where this piece meets taste you already know.

The Submariner's everyday dive-tool versatility, reinterpreted by a designer's designer — original case, original dial, zero homage.

Sunburst-blue dive language with genuine 200m capability, the same brief the Seamaster has owned for decades.

The maker

Halios

Design-led, diver-rooted, deliberately scarce.

View brand profile

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