Hermle Westminster Vienna Kit Case Depth

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Mechanical Westminster Vienna Clock Kit

$1,100.00

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Westminster Vienna Regulator Clock-Kit

$1,100.00

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What Are the Exact Dimensions Needed to Build a Case for the Westminster Vienna Clock Kit from Clockworks?

If you’re planning to build a custom case for the Westminster Vienna Clock Kit sold at Clockworks.com, you need precise dimensions and clear understanding of each component. Building a case without accurate measurements can lead to performance issues or visual imbalances. This guide will walk you through every necessary dimension and explain why each measurement matters. Whether you’re a first-time hobbyist or a seasoned clockmaker, this will help you create a case that not only looks beautiful but also functions flawlessly.

Overview of the Westminster Vienna Clock Kit

The [Westminster Vienna Clock Kit]() is one of the most elegant and popular kits available at Clockworks.com. It includes a triple chime mechanical movement that plays the Westminster, Whittington, and St. Michael melodies. The kit also includes a Clock Key Brass Single-End, Mechanical Clock Spade Hands, Westminster Clock Chime Block, 7-7/8 Round Dial 351-830 or 351-850, Clock Chime Block Mounts, Hermle Lyre Clock Pendulum, and a Walnut Grandfather Clock Crank.

This is a traditional wall clock movement designed to last for generations. Since it includes moving parts like weights, a pendulum, and chime rods, your case must be built with exact dimensions to support proper operation.

Essential Dimensions to Build the Case

Here are the exact measurements you’ll need when designing your clock case:

1. Case Height

Minimum Required Height: 38 inches

Why: The movement uses a long pendulum and weight-driven mechanism. The pendulum requires full swing clearance, and the weights need vertical space to drop over time. Anything shorter than 34 inches will cause either the pendulum or weights to hit the bottom or each other, interfering with accurate timekeeping.

2. Case Width

Minimum Required Width: 10 inches

Why: This width allows space for the dial (approximately 6 inches wide) and clearance on both sides for the chime rods, pulleys, and weight shells. If you go narrower than this, the weights can rub against the glass or inner case wall, which affects movement and creates wear.

3. Case Depth

Minimum Required Depth: 5.5 inches

Why: The clock movement itself is over 4 inches deep, and you need additional room for the pendulum to swing freely behind it. The weights also hang in front of the movement, so additional depth gives them space to move freely without bumping the glass or door.

Additional Internal Space Recommendations

4. Pendulum Swing Clearance

Clearance Needed: 2 inches to the back and 1 inch side-to-side

Why: The pendulum hangs from the back of the movement and swings in an arc. Without adequate space, it will strike the case or encounter friction that affects the clock’s timekeeping. Make sure to leave at least 2 inches of space behind the movement to the back panel of the case.

5. Weight Drop Clearance

Drop Length: 26 inches minimum

Why: The three weights need room to descend as the clock runs. A full wind lasts eight days, during which the weights slowly drop. If the case isn’t tall enough, the weights will bottom out too early, stopping the clock before the week ends.

Front Access for Winding and Setup

Your case design must include a front door with full access to the dial area. You’ll need room to wind the movement and adjust the time. Leave at least 2 extra inches of clearance above and below the dial area for access.

Also, consider leaving space behind or below the dial for chime hammers to operate freely. Avoid placing case wood directly behind the hammers or you’ll muffle the sound or restrict the striking action.

Mounting the Movement

The [Westminster Vienna Clock Kit]() comes with mounting hardware and instructions. It’s crucial to secure the movement to a sturdy mounting board. The board should be at least 1/2-inch thick and wide enough to support the entire back plate of the movement (roughly 5.5 inches wide and 4.75 inches tall). The pendulum must hang freely below the movement with no obstructions.

Dial Mounting

The kit includes a 6-inch moon dial that mounts directly to the movement. Make sure your case includes a dial cutout window and enough front clearance to accommodate the moon dial and viewing space. If you’re adding glass, allow for an additional 1/4 inch between the dial and the glass to avoid pressure or scratching.

Chime Rod Placement

This kit includes a chime block with rods that mount vertically. The chime block should be secured to the back or side panel of the case, aligned to allow the hammers to strike freely. Make sure to give the chime rods about 2 inches of clearance for vibration, otherwise the sound will be dampened.

Materials for the Case

For the best sound and durability, use hardwoods like oak, walnut, or cherry. Avoid MDF or particle board if you want rich sound resonance. Glass doors with brass or wooden trim enhance both visibility and sound projection.

Summary: Full Dimension Checklist

Where to Buy the Westminster Vienna Clock Kit

You can purchase the full [Westminster Vienna Clock Kit here at Clockworks.com](). We offer high-quality mechanical movements with full installation hardware, detailed setup instructions, and support. Whether you’re building a case from scratch or replacing a worn-out movement, this kit offers everything you need for a traditional Vienna regulator-style wall clock.

Need Help Building Your Case?

Clockworks offers phone and email support for all clock kits. If you’re unsure how to start building your case, reach out and we can help walk you through it. We also stock individual parts like chime blocks, moon dials, and decorative bezels if you’re looking to customize your build.

By following these exact measurements and building guidelines, you’ll ensure your Westminster Vienna clock not only looks beautiful but runs smoothly for years to come. Shop now at Clockworks.com and start building your heirloom timepiece today.

Updated on: 11/07/2025