![Matt Gemmell on Twitter: "But I wanted to customise it, especially given the red metal peeking out there. The diameter with shroud is 46.7mm, which is still fairly big. Without the shroud, Matt Gemmell on Twitter: "But I wanted to customise it, especially given the red metal peeking out there. The diameter with shroud is 46.7mm, which is still fairly big. Without the shroud,](https://pbs.twimg.com/media/EbSwY96XsAY1FvP.jpg:large)
Matt Gemmell on Twitter: "But I wanted to customise it, especially given the red metal peeking out there. The diameter with shroud is 46.7mm, which is still fairly big. Without the shroud,
![2/4/6PCS Tuna Shroud Screws Seiko Canned Case Protector screws for Seiko SBBN015 017 013 033 035 SRP637 watch case replace parts 2/4/6PCS Tuna Shroud Screws Seiko Canned Case Protector screws for Seiko SBBN015 017 013 033 035 SRP637 watch case replace parts](https://ae01.alicdn.com/kf/S3bdde2cbaffe44cc804a78691016253e6/2-4-6PCS-Tuna-Shroud-Screws-Seiko-Canned-Case-Protector-screws-for-Seiko-SBBN015-017-013.jpg)
2/4/6PCS Tuna Shroud Screws Seiko Canned Case Protector screws for Seiko SBBN015 017 013 033 035 SRP637 watch case replace parts
![Hands-On With The New Seiko Marinemaster 1000 m “Emperor Tuna” Rose Gold SBDX014 (With Specs And Price) | SJX Watches Hands-On With The New Seiko Marinemaster 1000 m “Emperor Tuna” Rose Gold SBDX014 (With Specs And Price) | SJX Watches](http://watchesbysjx.com/wp-content/uploads/2016/migrate/Seiko-Marinemaster-1000m-Rose-Gold-Tuna-4.jpg)
Hands-On With The New Seiko Marinemaster 1000 m “Emperor Tuna” Rose Gold SBDX014 (With Specs And Price) | SJX Watches
![Original Seiko tuna SBBN007 Shroud screw, Mobile Phones & Gadgets, Wearables & Smart Watches on Carousell Original Seiko tuna SBBN007 Shroud screw, Mobile Phones & Gadgets, Wearables & Smart Watches on Carousell](https://media.karousell.com/media/photos/products/2018/02/01/original_seiko_tuna_sbbn007_shroud_screw_1517495637_41081f3f.jpg)
Original Seiko tuna SBBN007 Shroud screw, Mobile Phones & Gadgets, Wearables & Smart Watches on Carousell
![Seiko Darth Tuna SBBN013 Prospex - A long-term personal review (live pics, specs & price) - Monochrome-Watches Seiko Darth Tuna SBBN013 Prospex - A long-term personal review (live pics, specs & price) - Monochrome-Watches](https://monochrome-watches.com/wp-content/uploads/2015/10/Seiko-Darth-Tuna-SBBN013-Prospex-cover.jpg)