Mod SEIKO SSA005 Slide Rule Military Pilot Chronomat SKX Ocean Spork Planet Sub | WatchCharts
My Eastern Watch Collection: Seiko Prospex Sky Slide Rule Bezel SRPB61K1 Navitimer (similar to SRPB57 and SRPB59) - A Manual Computer with Limited Use, A Review (plus Video)
Seiko CALCULATOR SLIDE RULE Vintage automatic chronograph... for $2,885 for sale from a Trusted Seller on Chrono24