Under water – Seiko Prospex Marinemaster MM300 Diver Automatic SBDX017

Seiko recently made a surprising announcement. They have stated that they will discontinue series production of some popular model, one of them is Seiko SBDX017 model. The SBDX017 features a high grade Seiko 26-jewel automatic (8L35) movement which is an undecorated and unadjusted version of the Grand Seiko movement, caliber 9S55 The 8L35 beats at…