Royal Seikomatic Mod Blue Sub
Meet the Royal Seikomatic Mod Blue SubĀ ā a timeless classic with a touch of navy flair. Its sleek black dial is enhanced by a striking blue rotating bezel, offering a subtle yet standout twist on a legendary design.
Powered by the reliable NH35 automatic movement and protected by sapphire glass in a durable 904L stainless steel case, this mod is built for both deep dives and weekend adventures.
Specifications & Material
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Diameter: 40mm
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Movement: Seiko NH35 Automatic
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Movement's Country Origin: Japan
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Case Thickness: 13mm
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Case Material: 904L Stainless Steel
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Crystal Material: Sapphire Crystal
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Luminous Hands: Yes
-
Opened Caseback: Yes
All watches are made by hand. Please allow 3ā5 business days (excluding weekends) for assembly before shipping. This timeframe is an estimate and may take slightly longer during busy periods or high order volumes.
Disclaimer: VVS Jewelry operates independently and is not affiliated with Omega, Seiko, or any other watch brand. All components and movements are newly sourced from independent specialist suppliers.
Product Information
Product Information
Shipping & Returns
Shipping & Returns




Royal Seikomatic Mod Blue Sub
Royal Seikomatic Mod Blue Sub
Meet the Royal Seikomatic Mod Blue SubĀ ā a timeless classic with a touch of navy flair. Its sleek black dial is enhanced by a striking blue rotating bezel, offering a subtle yet standout twist on a legendary design.
Powered by the reliable NH35 automatic movement and protected by sapphire glass in a durable 904L stainless steel case, this mod is built for both deep dives and weekend adventures.
Specifications & Material
-
Diameter: 40mm
-
Movement: Seiko NH35 Automatic
-
Movement's Country Origin: Japan
-
Case Thickness: 13mm
-
Case Material: 904L Stainless Steel
-
Crystal Material: Sapphire Crystal
-
Luminous Hands: Yes
-
Opened Caseback: Yes
All watches are made by hand. Please allow 3ā5 business days (excluding weekends) for assembly before shipping. This timeframe is an estimate and may take slightly longer during busy periods or high order volumes.
Disclaimer: VVS Jewelry operates independently and is not affiliated with Omega, Seiko, or any other watch brand. All components and movements are newly sourced from independent specialist suppliers.
Original: $349.00
-65%$349.00
$122.15Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Meet the Royal Seikomatic Mod Blue SubĀ ā a timeless classic with a touch of navy flair. Its sleek black dial is enhanced by a striking blue rotating bezel, offering a subtle yet standout twist on a legendary design.
Powered by the reliable NH35 automatic movement and protected by sapphire glass in a durable 904L stainless steel case, this mod is built for both deep dives and weekend adventures.
Specifications & Material
-
Diameter: 40mm
-
Movement: Seiko NH35 Automatic
-
Movement's Country Origin: Japan
-
Case Thickness: 13mm
-
Case Material: 904L Stainless Steel
-
Crystal Material: Sapphire Crystal
-
Luminous Hands: Yes
-
Opened Caseback: Yes
All watches are made by hand. Please allow 3ā5 business days (excluding weekends) for assembly before shipping. This timeframe is an estimate and may take slightly longer during busy periods or high order volumes.
Disclaimer: VVS Jewelry operates independently and is not affiliated with Omega, Seiko, or any other watch brand. All components and movements are newly sourced from independent specialist suppliers.











