Sea Force Co., LTD. is a manufacturer and a specialized trading company who ruminate about the future of manufacturing.

Sea force Co.,Ltd
aims to be a company that supports [Manufacturing]

Sea Force Co.,ltd.

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About Us

Sea Force provides industrial machines and work tools to support the Japanese tradition called 「MONOZUKURI=art of manufacturing」with the wide selection and knowledge. We would like to suggest our products as a manufacturer and a specialized trading company. As a manufacturer, we produce not only tools but also machines such as laser devices and 3D related machines, and suggest them to customers respecting their needs. As a trading company, we sell domestic manufacturer's products and imported ones from 15 countries with the wide range of stock. We humbly do our best to serve you by making the most of our technology in manufacturing with excellent service and products. Moreover, we would like to respond to your request carefully and promptly. Finally, we will greatly appreciate your further guidance and support. 
20th Anniversary

We support your 「Manufacturing」

 Machine dept.  Showroom Info
You can take a look at our demo machines in Sea Force machine dept. showroom.
This is the only showroom where the latest machines can be seen.
Please come and see our 3D printers and laser devices.
Your「Manufacturing」might be changed.

The craftmanship department is OPEN in Ueno ,Tokyo!

jewelry tools shop
seaforce building
machine showroom

Support jewelry manufacturing. Tool shop and machine showroom. 
You can see all floors of the two buildings.
It is one of the largest shops in Japan for jewelry and watch tools.
When you come to Japan, please come and visit us.

January 2020 Seaforce New building OPEN

The 1st floor is the tool shop with world wide products.
The 2nd floor is ‘ready to try’ equipment showroom.
The 3rd floor is the open studio with our own manufacturing center.
This is an unique and special craftmanship department.
Our previous shop building has been renewed into a complete LAB space.
Find the large machinery(NC,Laser cutting etc..) running live in the 1st floor .

Jewelry Tools Shop

Equipment Showroom

Manufacturing center

Industrial machinery

New building

The craftmanship department provides total support for craftmen. 

New building


New building tools shop

Enjoy the Open Space! Connected floors to embrace creativity.
Please come to our shop!

all Floor

New building First floor

New building First floor

Tools Shop

We provide over 10000 unique tools.

New building Second floor

New building Second floor

Equipment Showroom

We exhibit 3D printers,3D scanners,Laser cutting machines, Laser marking machines,Professional welding machines, CNC etc.We also offer live demonstrations.

New building 3rd floor

New building 3rd floor

Plating studio

Complete process: plating, casting and polishing.
No minimum order required!

New building 3rd floor

New building 3rd floor

Laser service studio

Seaforce works with laser machine and engraving machine.
No minimum order required!

New building 3rd floor

New building 3rd floor

3D studio

CAD/CAM services.
No minimum order required!
Expert technical support.

Sea Force Lab building

Seaforce LAB
Sea Force Lab building

Seaforce LAB (First floor)

Find the cutting edge technology machinery
(NC,Mazak lathe, Amada bending machine, Lather cutting machine, Casting machine etc..)
In-House Design, Development and Manufacturing

Lab Second floor

Lab Second floor

Development room

For laser machines and electronics.
In-House Design’s repair and maintenance as well.

Lab 4th floor

Lab 4th floor

Photo studio

For all marketing needs.
Even our Youtube studio!

LAB 4th floor

Lab 4th floor

Metal art Gallery

Showroom for metal arts.

Saitama Factory

saitama factory
2-23-1 Chuou, Misato, Saitama, JAPAN
TEL : +81-48-951-5129

-MAZAC CNC lathe machine
-Brother 5Axis CNC machine
-Amada Bending machine
-FIber Laser cutting machine
-Co2 Laser cutting machine
-Pnasonic Welding machine
-Laser welding machien
-Laser marking machine



会 社 概 要
CEO Ichitomi Sasaki 
Head quarters zip code 110-0016 
4-18-12 Taito Taito-ku , TOKYO JAPAN
TEL - FAX TEL : +81-3-5826-8756 FAX : +81-3-5817-1544
Business Hour AM 10:00~PM 07:00
設立 2000年01月
資本金 5,000万円
Business Overview Sales Task(Domestic Sales・Import and Export) 15 countries
・3D Printers Sale
・3D Software Sale
・Industrial Devices Sale
・Laser Devices Sale
・Work Tools Sale
・Chemicals Sale

Development Task(self-Development・Self-Manufacture)
・Development and Manufacture of Laser Devices
・Development and Manufacture of 3D related Devices
・Development and Manufacture of Industrial Devices
・Development and Manufacture of Chemicals

Processing Task
・Plating Processing
・Laser Processing
・3D-RP Output
・Creation of 3D Data
Closed Saturday, Sunday and National Holidays
Dealers of Our Own Products  Otsuka Shokai ・ As One Co. ・ Tool Related Trading Firm ・ Tokyu Hands ・ Yodobashi Camera ・ Home Centers  
Please contact us for more detals about Tool Dealers (Dealers aournd the country are available)
Import and Export from 20 countries 
Clients TRUSCO Nakayama
As One Co.
Yodobashi Camera Co.
Tokyu Hands Co.
Uniliving Co.
Otsuka Shokai Co.
Simadzu Co.
Hirose Electric Co.
Kyowa Sangyo Co.
Hakko Co.
Kel Co.
NKK Switches Co.
Chukyo., Ltd
Meidensha Co.
Sugimoto& Co., Ltd
Naito& Co., Ltd
Mitsubishi Materials Co.
Roland DG Co.
Osada Electric Co.
Japan Mint
Citizen Watch Co.
Seiko Service Center Co., Ltd
Japan Rolex
LVJ Group Co.
Kuraray Noritake Dental Inc.
Nissin Denatal Products Inc.
Dental Support Co., Ltd
Nakagawa Co. 
Tanaka Kikinzoku Kogyo
Mikimoto Jewelry MFG. Co., Ltd
Tasaki&Co., Ltd
Kuwayama Co.
F.D.C. Products Inc.
World Co., Ltd
Good Smile Company, Inc.

and others over 1000 companies
Corporations from 15 countries
(in random order/titles omitted)
University Clients Hokkaido Uni
Hirosaki Uni
Yamagata Uni
Tohoku Uni
Niigata Uni
Nagaoka Zokei Uni
Utsunomiya Uni
Tsukuba Uni
Tokyo Uni
Nippon Institute of Technology
Tokyo Denki Uni
Tokyo Uni of the Arts
Tokyo Uni of Technology
Chiba Uni
Saitama Uni
Nagoya Uni
Mie Uni
Shinshu Uni
Kyoto Uni
Kanazawa Uni
Toyama Uni
Nippon Dental Uni
Okayama Uni
Hiroshima City Uni
Kochi Uni
Yamaguchi Uni
Hiroshima Uni
Kyushu Uni
Saga Uni
Kyusyu Institute of Technology
Ryukyu Uni
and other Universities over 100

How to get Seaforce

5-min walking distance from JR Okachimachi station  10-min walking distance from JR Ueno station

seaforce map
train 1
JR Yamanote Line / JR Keihin Tohoku Line
5-min walking distance from North Exit of Okachimachi station.
train 2
Subway(Tokyo Metro) Hibiya line
3-min walking distance from Exit 3 of Naka-Okachimachi station.
train 3
3-min walking distance from ShinOkachimachi station
train 4
Subway(Toei) Oedo line
6-min walking distance from Ueno-Okachimachi station
train 5
Subway(Tokyo Metro)
7-min walking distance from Ueno-hirokoji station
seaforce map photo

Sea Force Map

If you click the map, the bigger map will be shown. 
Specialized staff in various fields will support you.