Collection: Learn about watches: Sandwich dial for improved lume performance
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To achieve the brightest lume, after creating the best mix of luminous paste (we'll cover this in detail in another guide), we need to maximize the area and thickness of the application. There are two common ways to apply lume onto a dial: printing, or lume filling. The prior is extremely challenging after multiple layers of printing, as the lume paste will start to flow to the side and affect the printed shape. The latter is also challenging and generally costly as this method will require metal indices or shaped dial features designed with lume filling in mind.
This is when sandwich dial comes to the rescue. A sandwich dial is a dial that consists of a luminous bottom layer and a top layer with design elements and cutouts that expose the lume underneath. The bottom layer includes large recessed areas that will allow generous and easy application of luminous materials. Therefore, if done correctly, a sandwich dial can easily glow brighter than a dial with over 30 layers of printed luminous materials.
Beware of fake sandwich dials in the market though, as we do have dial makers cutting the cost by simply stamping the metal plate and filling a shallow layer of lume at the recessed areas. These dials will have significantly weaker lume and less depth on the design of the dial.
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DIY Watchmaking Diver Bundle Kit | DWC-D03 (With Maroon Red Diver Dial)
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Classic Dive Watch kit with Black FKM straps | D03 Sandwich Dial with BGW9 Blue Superlume | Men's watch
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DIY Watchmaking Kit | Blue Bezel NH35 Dive Watch w/ Matt Silver Sandwich Dial | DWC-D03
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LIMITED - DIY Watchmaking Kit | PVD Black NH35 Dive Watch With Black Sunray Sandwich Japanese Purple Lume Dial | DWC-D03
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LIMITED - DIY Watchmaking Kit | NH35 Expedition Watch With Matt Silver Sandwich Japanese Purple Lume Dial | DWC-D03
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DIY Watchmaking Kit | PVD Black and Gold Dive Watch with Sandwich Dial | DWC-D03
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- Sale price
- $385.00
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DWC D03 Matt Black Custom Watch Dial (Japan C3) for Seiko NH35
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- $60.00
- Sale price
- $60.00
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DWC D03 Matt Black Custom Watch Dial (Japan BGW9) for Seiko NH35
- Regular price
- $60.00
- Sale price
- $60.00
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DIY Watchmaking Kit | NH35 Expedition Watch With Matt Silver Sandwich Japanese BGW9 lume | DWC-D03
- Regular price
- $320.00
- Sale price
- $320.00
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DIY Watchmaking Kit | NH34 GMT BATMAN Dive Watch | Automatic GMT Blue and Black | Ceramic Batman GMT | DWC-D03 RIVAL
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- $490.00
- Sale price
- $395.00
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DIY Watch Kit | Blue GMT Dive Watch | Seiko NH34 Automatic GMT | 24hr Blue Bezel (Stainless Steel) | DWC-D03
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- $455.00
- Sale price
- $365.00
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DIY Watch Kit | All Black GMT Diver | Seiko NH34 Automatic GMT | 24hr Stainless Steel PVD Bezel | DWC-D03
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- Sale price
- $380.00
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DIY Watch Kit | GMT Pepsi Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Red & Blue GMT Bezel | DWC-D03
- Regular price
- $470.00
- Sale price
- $375.00
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Bronze Dive Watch kit with Nato Strap | D03 Sandwich Dial with BGW9 SuperLume | Movement: Seiko Automatic
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- $510.00
- Sale price
- $510.00
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Dive watch kit with "MN" style parachute fabric strap | D03 Sandwich Dial with BGW9 Superlume | Seiko movements
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- $310.00
- Sale price
- $310.00
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Blue bezel dive watch kit with nato strap | D03 Sandwich Dial with BGW9 SuperLume | Sailing watch
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- Sale price
- $310.00
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[LIMITED] DIY Watchmaking Kit | PVD Black GMT BATMAN Dive Watch | Seiko Automatic GMT movement | DWC-D03
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- $590.00
- Sale price
- $590.00
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DIY Watch Kit | GMT Sprite Dive Watch | Seiko GMT movement | Aluminum-Steel Hybrid Green & Black GMT Bezel | DWC-D03
- Regular price
- $470.00
- Sale price
- $375.00
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[LIMITED] DIY Watchmaking Kit | PVD GMT Coke Red-Black Dive Watch | Seiko Automatic GMT movement | DWC-D03
- Regular price
- $590.00
- Sale price
- $590.00
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Bronze GMT Dive Watch kit | Seiko Automatic GMT movement | 24hr PVD Bezel (Stainless Steel) with BGW9 | DWC-D03
- Regular price
- $590.00
- Sale price
- $590.00
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[Modding Starter Combo] DIY Kit Bundle | GMT Coke, Sprite, and PVD steel Bezel | Seiko Automatic GMT movement | DWC-D03
- Regular price
- $700.00
- Sale price
- $490.00
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Blue Bronze Dive Watch kit with Nato Strap | D03 Deep Blue Sandwich Dial with BGW9 SuperLume | Movement: Seiko Automatic
- Regular price
- $510.00
- Sale price
- $435.00
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Brown / Red Bronze Dive Watch kit with Black Leather Strap | D03 Maroon Red Sandwich Dial with BGW9 SuperLume | Movement: Seiko Automatic
- Regular price
- Sold out
- Sale price
- $435.00
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White dial "Coke" Diver Dress GMT Watch Kit | Stainless Stain Bracelet | Ceramic Red-Black GMT Bezel | DWC-D03
- Regular price
- $520.00
- Sale price
- $445.00
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White dial "Batman" GMT Watch Kit | NH34 GMT Dive Watch | White FKM Rubber Band | Ceramic Blue-Black GMT Bezel | DWC-D03
- Regular price
- $520.00
- Sale price
- $445.00
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