Skip to content
NEW: CREATE AN AI-ASSISTED TENDER IN 2 MINUTES — TRY IT FREE
Back to search
Minase – Fertigung

Japanese watch manufactory producing mechanical luxury watches by hand, fewer than 500 pieces per year.

Minase Logo

Minase

Akita Prefecture (Japan)New on Amplifa

2005Founded
fewer than 500 watches/yearAnnual production
Akita Prefecture, JapanLocation

About Minase

Minase is a Japanese watch manufactory from Akita Prefecture that produces mechanical luxury wristwatches by hand. Annual production is fewer than 500 watches. The cases and bracelets are made predominantly from stainless steel, alongside models in gold; leather and rubber straps as well as packaging made of Kiri wood complete the product range. A distinctive process is the Sallaz, or Zaratsu, polish, which gives steel parts a perfectly smooth surface; polishing a Divido on the steel bracelet involves up to 479 work steps and more than 15 hours. Dials are handmade, including Yusai dials with natural pigments and dials decorated with Shibo Urushi lacquer. All watches carry the HiZ label and combine the patented case-in-case construction with the patented MORE concept, which enables repeated disassembly of case and bracelet. The movements are Swiss mechanical calibres.

Site
Akita Prefecture, Japan
Processes
Sallaz polishing (Zaratsu), Watch assembly (mechanical wristwatches, handwork), Urushi lacquering / Shibo Urushi dial decoration (hand-painted, natural pigments), Dial production (handmade Yusai dials), Patented case-in-case construction / MORE concept (disassemblable case and bracelet structure), Sallaz/Zaratsu polishing, Handmade dials (Yusai, Shibo Urushi), Watch personalisation
Materials
Stahl, Gold, Urushi-Lack, Leder, Gummi, Kiri-Holz, Stainless steel, Urushi lacquer
Certificates
HiZ label (Sallaz, Case in Case, MORE)
Founded
2005
Industries
Luxury watches
  1. 01

    Case and bracelet production (steel, gold)

  2. 02

    Sallaz/Zaratsu polishing of steel parts

  3. 03

    Handmade dials (Yusai, Shibo Urushi)

  4. 04

    Assembly of the mechanical watch (handwork)

  5. 05

    Personalisation and distribution via webshop and retailers

Materials and Processes

Stahl

Stainless steel

Main material for cases, bracelets and dial indices, refined by Sallaz polishing.

Au

Gold

Material for individual models of the gold collection.

Urushi

Urushi lacquer

Natural resin lacquer for hand-painted Shibo Urushi dials.

Led

Leather

Material for straps with folding clasp.

Rub

Rubber

Material for straps of selected models.

Kiri

Kiri wood

Material of the traditional presentation boxes.

Location

Standort Akita Prefecture

Akita Prefecture

JP

Watch manufactory (production and assembly)

Lot size
One-off pieces up to fewer than 500 watches/year
Materials
Stainless steel, gold, urushi lacquer, leather, rubber, kiri wood
  • Sallaz polishing machines

Watch Collections

Mastercraft J3
Mastercraft J3Handwork · Luxury watches
Divido Shibo Urushi
Divido Shibo UrushiUrushi lacquering · Luxury watches
7 Windows 2.0
7 Windows 2.0Case-in-case construction · Luxury watches
Horizon
HorizonSallaz polishing · Luxury watches
Yusai dials
Yusai dialsHand painting with natural pigments · Luxury watches

Inside the production

Hand Sallaz polishing (Zaratsu)
Hand Sallaz polishing (Zaratsu)
Production at the manufactory
Production at the manufactory
DIVIDO 2.0
DIVIDO 2.0
Handmade one-of-a-kind pieces
Handmade one-of-a-kind pieces
Detailed work at the manufactory
Detailed work at the manufactory

Industries

Luxury watches

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Sallaz polishing (Zaratsu)Surface––––Stahl
Watch assembly (mechanical wristwatches, handwork)Assembly–––1 – 500 per yearStahl, Gold, Leder, Gummi, Urushi-Lack, Kiri-Holz
Urushi lacquering / Shibo Urushi dial decoration (hand-painted, natural pigments)Surface––––Urushi-Lack
Dial production (handmade Yusai dials)Assembly––––Urushi-Lack, natürliche Pigmente
Patented case-in-case construction / MORE concept (disassemblable case and bracelet structure)Engineering––––Stahl

1 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Sallaz polishing machineSallaz–––Akita, Japan

Additional services

Sallaz/Zaratsu polishingHandmade dials (Yusai, Shibo Urushi)Watch personalisationOnline webshop

Quality and HiZ Label

The HiZ label certifies that every watch was produced with Sallaz polishing, the patented case-in-case construction and the MORE concept. The elaborate final polishing comprises up to 479 work steps for models on the steel bracelet.

EvidenceAkita Prefecture
HiZ label (Sallaz, Case in Case, MORE)

History

  1. 2005

    Foundation; recruitment and training of employees from the region according to the monozukuri principle

Personalised demo

Ready to see Amplifa Marketplace in action?

From a structured request to the right manufacturing partner: AI-assisted matching, verified suppliers and transparent metrics — in one place for industrial companies across the DACH region.

Request a demo