Seiko SRPG15 / SRPG15K1 Fieldmaster Land Tortoise Japan Made ver.
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
Seiko Prospex Fieldmaster the Black series Limited Edition... for $508 for sale from a Seller on Chrono24