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Ressence

Ressence Type 8 39 mm Black 18k

Photography on request

Front view

Front view

Dial, hands and bezel as delivered.

Case-back view

Case-back view

Case-back engraving and, where fitted, the sapphire display.

Movement

Movement

Calibre with its finishing and decoration.

On the wrist

On the wrist

Worn shot for proportion and strap drape.

Ressence · Type 8

Ressence Type 8 39 mm Black 18k

Reference 24517OR.17

Reference at a glance

Brand
Ressence
Collection
Type 8
Model
Ressence Type 8 39 mm Black 18k
Reference number
24517OR.17
Year / era
2010 · 2010s — modern production
Complication
Flyback chronograph
Movement
Micro-rotor automatic
Case material
18k rose gold
Dial type
Black lacquer
Strap / bracelet
Integrated steel bracelet
Water resistance
150 m
Limited-edition status
Limited edition of 100 pieces
Compare this reference

Case, dial & bracelet

Case dimensions
39 mm
Case thickness
12.6 mm
Case material
18k rose gold
Bezel
Bidirectional 24-hour Cerachrom
Crystal
Box sapphire with AR coating
Dial
Black lacquer
Hands
Faceted dauphine hands, polished by hand
Indexes
Printed minute track with applied batons
Bracelet / strap
Integrated steel bracelet
Clasp / buckle
Folding clasp in matching case metal
Water resistance
150 m

Movement

Movement / calibre
Calibre 35E — Micro-rotor automatic
Movement type
Automatic with micro-rotor
Frequency
25,200 vph (3.5 Hz)
Power reserve
72 hours
Number of jewels
45 jewels
Complications
Flyback chronograph
Functions
Chronograph, tachymeter, date
Watchmaker
The calibre is built in-house and adjusted in five positions before delivery.

Production & market

Production period
2010 – 2023
Limited-edition quantity
100 pieces
Current market information
Thin secondary-market supply — pricing is set piece by piece at auction.

Designer

Marc Newson

Marc Newson is an Australian industrial designer whose work spans Qantas cabins, Apple hardware and Jaeger-LeCoultre's Atmos clocks; his watch design reduces the object to pure geometry and legibility.

Historical significance

Ressence Type 8 39 mm Black 18k sits within Ressence's Type 8 line, introduced in 2010. It carries the house codes established since 2010 — 18k rose gold case, black lacquer dial and micro-rotor automatic — and is one of the references collectors use to date the evolution of the collection.

Interesting facts

  • The bracelet tapers across its length, which is why the profile looks thinner on the wrist than the specification suggests.
  • The reference was originally planned as a one-year run and stayed in the catalogue for well over a decade.
RE

The House

Ressence

Brand facts

Founding year
2010
Founder
Benoît Mintiens
Headquarters
Belgium
Tier
Swiss & Independent
Major collections
Type 1, Type 3, Type 5, Type 8
Signature technologies
Certified chronometer regulation · Shock-absorbing movement mounting · Proprietary case-hardening and polishing
Famous movements
Micro-rotor automatic · In-house automatic · Manual-winding, hand-finished · Satellite-hour automatic
Notable watches
Ressence Type 1 42 mm Silvered Sapphire · Ressence Type 1 43 mm Salmon Platinum · Ressence Type 1 44 mm Mother-of-pearl 18k · Ressence Type 1 37 mm Green Sapphire

Brand history

Ressence has spent more than 16 years refining a single idea: a watch should outlive its owner. From the earliest workshop pieces to today's Type 1, the house has balanced technical ambition with a recognisable design language, and its collections remain among the most closely followed by collectors worldwide.

Benoît Mintiens established Ressence in 2010, working from Belgium at a time when precision was measured by hand. The founder's obsession with finishing and accuracy still defines every Ressence calibre produced today.

Historical milestones

  1. 2010

    Benoît Mintiens founds Ressence in Belgium.

  2. 2024

    Ressence continues to produce Type 1, Type 3, Type 5 and other icons in limited numbers.

More Type 8