Z22 Z-22 STYLE 22MM PU BLACK DIVE WATCH STRAP UK SEIKO?. (WITH 2.5MM SPRING BARS). POLYURETHANE IS A SYNTHETIC RUBBER, WITH EXCELLENT ABRASION RESISTANCE, TEAR STRENGTH, TOUGHNESS AND DURABILITY. PICTURED ON MY STUNNING 'SAVE THE OCEAN' SEIKO SRPC91K1 -.
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