Please don't shoot the messenger but my GMT Master II is my most versatile watch. It just returned from a bare boat cruise where it was on my wrist for two straight weeks. (which include sailing operations, snorkeling, cutting fishing net off both props in 4' seas, and other rough treatment. The Oyster case reigns supreme. A Speedy for versatility = bracelet. Personally I like a beefy stitched leather strap on the speedy.
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