SINN 556 I Stainless Steel 38.5mm Sports Watch - Brown Leather Strap Carbon Fibre however their two new Tynehams

however their two new Tynehams definitely are

you can optionally add a Hirsch Sport deployment clasp to your purchase (for compatible straps) in either silver or gold tone

Designed for compatibility with Breitling watches and clasps

290mm total length (excluding buckle)

widened on the underside for maximum air-flow

SINN 556 I Stainless Steel 38.5mm Sports Watch - Brown Leather Strap Carbon Fibre however their two new TynehamsDESCRIPTION This superb pre owned example of the Sinn 556 series watch features supreme craftsmanship and readability, as befits a manufacturer with such strong ties to aviation. The accentuation of the hours, minutes, seconds and the date plus the satinised stainless steel case are what give the watches their sporty yet elegant appearance. The crystal of the 556 watches is made from sapphire crystal, as is the transparent back which provides an