VK63: The Mecha-Quartz Movement Behind Modern Mods

A Hybrid Engine with the Best of Both Worlds

Among watch enthusiasts and modders, the VK63 mecha-quartz movement holds a special place. It offers a unique experience: the tactile response of a mechanical chronograph, paired with the accuracy and low maintenance of quartz.

For those who want the feel of a chrono without the complexity of a full mechanical build, the VK63 is often the movement of choice.

What Is Mecha-Quartz?

A mecha-quartz movement is a hybrid. It uses a standard quartz base for timekeeping, but includes a mechanical chronograph module that drives the stopwatch functions.

This means:

• The sweep of the chrono seconds hand feels mechanical

• The reset is instant, snapping back to zero like a traditional mechanical chrono

• But the timekeeping is powered by a quartz battery — highly accurate, no winding required

The VK63 is one of the most widely used mecha-quartz calibres in modding today.

VK63 Specs at a Glance

• Timekeeping: Quartz-powered

• Chronograph: Central seconds, 60-minute counter, 24-hour display

• Pushers: Mechanical click feedback

• Battery life: ~3 years (SR936SW)

• Accuracy: ±20 seconds/month

• Subdials: 3 (usually at 3, 6, and 9 o’clock positions)

• No running seconds hand (common question from first-time buyers)

Why Modders Love the VK63

The VK63 offers flexibility without sacrificing style or feel. It’s particularly popular for Daytona-style, Panda dial, or blacked-out chronograph mods.

Unlike many quartz chronographs, the VK63 allows for:

• Deep customisation

• Proper pusher feel

• Clean subdial layout

• Reliable chronograph performance

It also fits well into a variety of aftermarket Seiko-style cases, making it easy to integrate into the modding ecosystem.

Is VK63 Right for You?

If you want:

• A chronograph watch with real tactile feedback

• Quartz-level convenience

• A design-forward build

• No need to worry about winding or water sensitivity

Then VK63-based mods are an excellent choice. They strike a rare balance between affordability, function, and enthusiast appeal.

Watchbrick’s VK63 Builds

At Watchbrick, we use VK63 movements in select chronograph builds designed for daily wear. We pair them with custom dials and pushers for a refined take on classic racing styles.

Each VK63 mod is regulated, tested, and hand-assembled before it ships.

Browse Chronograph Builds

See VK63 Mods →