Seiko's Not So Little MM200 - Baby Marinemaster | Strapcode
My Eastern Watch Collection: Seiko Prospex JDM Baby Marinemaster 200 Meter Diver SBDC061 (similar to SBDC063 or SPB077/SPB079) - Similar to a Seiko Sumo, A Review (plus Video)
FS: Seiko SPB187 / SPB871J1 / SBDC127 Marinemaster 200 1968 Near Mint Full Set $695 | WatchUSeek Watch Forums
Some Call It A Baby Marine Master 200 & Some Call It A Sumo! Meet Seik| Strapcode
Reliving the Golden Age of the Professional Diver: The Baby M.M. "Redu – Gnomon Watches
Reliving the Golden Age of the Professional Diver: The Baby M.M. "Redu – Gnomon Watches
WTS] Seiko SPB187J1 Marinemaster 200 Mint Condition : r/Watchexchange