TMI MOVEMENT | ABOUT US

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ABOUT TMI

We are a subsidiary of Seiko Group Corporation. In the name of Time Module (TMI), we sell a wide range of watch movements manufactured by the Group factories to external companies in the watch industry all over the world.

We started the external sales business of regular quartz movements in the 1980s. With decades of know-how and relentless pursuit of precision, craftsmanship, and innovation, we continue to evolve and expand our product line-up. Nowadays, we are offering a wide array of quartz movements, mechanical movements, and gearboxes (for hybrid smartwatches and other smart products) to satisfy the varying tastes and needs of global consumers.

1980s

1987

We started the business through the newly established company “Time Module Inc.” in Ginza, Japan.

PC21, our first regular quartz movements, was launched.

1990s

1993

VD5 series, the standard chronograph movements, were launched.

1994

We set up an office in Hong Kong (SAR of China) to actively expand international business.

VC series, the slim and extra small movements, were launched.

2000s

2000

VJ series, the slim movements, were launched.

2005

VD7&VD8 series, the multi-eye (2 centre hands) movements, were launched.

All quartz movements started conforming to RoHS directive to protect the environment and public health.

2008

NH series, the standard mechanical movements, were launched.

All quartz movements are equipped with mercury-free and lead-free batteries in pursuit to protect the environment.

2010s

2010

VK series, the premium quartz chronograph movements, were launched.

2014

NE88, the premium mechanical chronograph movement, was launched.

2015

VD3 series, the dual time movements, were launched.

VH series, the sweep second movements, were launched.

2016

NH7 series, the skeleton mechanical movements, were launched.

2017

NE57, the power reserve (centre-hand) mechanical movement, was launched.

2020s

Entering a new era, we have changed the product marking to "TMI" since 2020 to unify it with the company's trade name and strengthen the brand recognition of TMI movements. In order to satisfy the market demand, we will strive continuously to provide stable and high-quality products and services to global customers. .

2022

NH34, the GMT mechanical movement was launched.

OUR STRENGTH

INTEGRATED PRODUCTION SYSTEM

From R&D, material development, key parts processing, movement assembling to quality inspection, all processes are handled in-house by our Group companies under a stringent integrated production system. We work closely with one another in order to stably supply high-quality, cost-effective products to the market.

MICRO PARTS PROCESSING TECHNOLOGY

In-house key parts production for full control of parts supply and quality

Pressing machine process

Quartz crystal mounting

Coil block

Vertical Clutch for power transmission

Column Wheel for chronograph coordination

"SPRON" Hairspring with superior elasticity and durability, and highly resistant to corrosion and heat

Three Pointed Hammer synchronizes the "Instant Zero Reset" motion of chronograph hands

Vertical Clutch for power transmission
Column wheel for chronograph coordination

"SPRON" Hairspring with superior elasticity durability, and highly resistant to corrosion and heat.

Three Pointed Hammer synchronizes the "Instant Zero Reset" motion of chronograph hands

PRODUCTION AT OUR OWN FACTORIES

Fully automated production line to maintain high precision and productivity

Automated assembly line in clean room

Organized movement production

Precision metal parts press process

QUALITY MANAGEMENT

From R&D to delivery, the whole production process is under a thorough Total Quality Management System. All of our watch movements are manufactured to the high standard of reliability stipulated by ISO 9001/14001 series.

Vision inspection system