Royal Oak Skeleton Dial 28.5mm – Silver
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The Silver Index Royal Oak dial in 28.5 mm — a clean, sunburst-finished skeleton dial designed by Nomods for open-heart and skeleton Seiko builds. The silver index markers frame the movement visible beneath, letting the mechanical architecture of the NH70, NH71, or NH72 become part of the dial’s visual design. At just 0.4 mm thick, the dial sits flush inside the Royal Oak 37mm V2 case and the Petrichor case without any modification. C3 Super-LumiNova applied to each index ensures legibility in low light.
Specifications
| Specification | Value |
|---|---|
| Diameter | 28.5 mm |
| Thickness | ~0.4 mm |
| Compatible Movements | NH70, NH71, NH72 |
| Compatible Cases | Royal Oak 37mm V2, Petrichor |
| Material | Stainless steel with silver finish |
| Lume | C3 Super-LumiNova |
| Design | Index dial for skeleton/open-heart movements |
Compatibility
Movements: This dial is designed exclusively for skeleton and open-heart movements — the NH70, NH71, and NH72. The open centre of the dial reveals the movement’s bridges, rotor, and balance wheel. Standard movements like the NH35 or NH36 are not compatible because they have a solid dial side with no visible mechanical detail.
Cases: The 28.5 mm diameter fits the Royal Oak 37mm V2 case and the Petrichor case directly. It does not fit the Royal Oak 41mm case or the Seikonaut case — those require a 30.8 mm dial.
Not sure which size you need? Read our dial size guide.
What’s Included
- Silver index skeleton dial (28.5 mm)
Movement, hands, case, and tools are not included.
Designed by Nomods
This dial is an original Nomods design — not a generic aftermarket part. The silver index markers are precisely machined and finished to complement the angular geometry of the Royal Oak case. Each index is individually lumed with C3 Super-LumiNova for consistent glow across all twelve positions. The open architecture of the dial is engineered to frame the NH70/NH72 movement’s bridges and balance wheel as a deliberate visual element rather than simply cutting away material. The result is a dial that integrates with the skeleton movement to create a layered, three-dimensional watch face.
Frequently Asked Questions
What cases fit this dial?
The 28.5 mm diameter fits the Royal Oak 37mm V2 case and the Petrichor case directly. It does not fit the Royal Oak 41mm case or the Seikonaut, which require 30.8 mm dials.
What movements are compatible?
The NH70, NH71, and NH72 skeleton movements. These are the only Seiko movements with an open architecture that makes mechanical detail visible through the dial. Standard movements like the NH35 or NH36 will not work with this dial.
Can I use this dial with an NH35?
No. The NH35 is a standard automatic movement with a solid dial side — there is nothing to see through the open sections of this dial. You need an NH70, NH71, or NH72 skeleton movement, which are designed to be viewed from the dial side.
What is the difference between 28.5 mm and 30.8 mm dials?
28.5 mm dials fit smaller cases like the Royal Oak 37mm V2 and Petrichor. 30.8 mm dials fit larger cases like the Royal Oak 41mm and Seikonaut. The two sizes are not interchangeable. Read our complete dial size guide for details.
Complete Your Build
Pair the silver dial with colour-matched components for a cohesive build:
- Cases: Royal Oak 37mm V2 Silver · Petrichor Silver
- Hands: Silver V2 hands
- Movements: NH70 · NH72
Browse all 28.5 mm dials · Royal Oak parts · All dials
Nomods is an independent brand. Our products are original designs inspired by iconic watch aesthetics. We are not affiliated with or endorsed by any luxury watch manufacturer. All brand names are used for reference purposes only.
Orders are processed within 1–3 business days (excluding weekends and holidays).
We accept returns/exchanges according to our policy for unworn items in original condition. Custom changes may have different terms — contact us for questions
