Seiko Marinemaster: Is It The Quintessential Seiko Dive Watch?
Seiko Prospex SPB187 Marine Master 200 Blue Dial Stainless - Arizona Fine Time
Some Call It A Baby Marine Master 200 & Some Call It A Sumo! Meet Seik| 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)