My Eastern Watch Collection: SEIKO Prospex Fieldmaster LOWERCASE SBEP001 "Digi Tuna" (similar to SBEP003, SBEP005, SBEP007 & SBEP009) - A Good Start by Seiko to Make a New Niche for Itself, A
Journal Standard x SEIKO Prospex Fieldmaster Lowercase “Digi-Tuna” – Summit