Seiko Flightmaster Pilot Slide Rule Chronograph SND253P1 SND253 HD

Seiko Flightmaster Pilot Slide Rule Chronograph SND253P1 SND253P SND253 A sophisticated beauty with soft responsiveness and always a positive feedback, the Seiko Flightmasteris for high-end aviation and the bi-directional timing and compass bezel comes very rarely in chronograph models. There’s also a rotary-type, slide rule function to convert units and calculate fast the essential flight data. But then again, computing speed or fuel consumption is not meant only for aviation.