

Watches with exhibition case backs showing off their automatic movement within have never been more popular – even Rolex added a sapphire back to its new platinum Daytona.
But what about a glimpse of movement through the dial too? That’s what Seiko is offering with the newly updated Presage Sharp-Edged collection and its “open heart” design.
Offered with dial options of blue and white, the new timepiece has a circular cutaway at the nine o’clock position, through which it’s possible to see the automatic movement within, and daylight through the exhibition case back.
Both watches have a 40mm stainless steel case with 10 bar (100 metres) of water resistance and dual-curved sapphire crystal. They come with a matching stainless steel bracelet strap with three-fold clasp deployed via a push button release, and Seiko promises an impressive 72 hours of power reserve from the calibre 6R5J automatic movement.
As well as the open heart design, the dial also features a complication at the six o’clock position for showing the time on a 24-hour sub-dial.
The watch’s lengthy 72 hours of power reserve is highlighted by the ‘3 days’ inscription on the dial. If fully wound, this is a watch you could take off on a Friday evening and return to it on Monday morning or even Monday evening) without fear of it losing time.
Seiko draws attention to the sharp-silhouette case of the watch, along with the traditional ‘Asanoha’ Japanese hemp leaf textured dial pattern, which is a symbol of growth and success, the watchmaker says. Meanwhile, the layered dial has a three-dimensional pattern with graduated colour, helping to add texture even to the white colourway.
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Both versions are priced at £1,120 and are available to pre-order now, ahead of deliveries starting in June.
Alistair is a freelance automotive and technology journalist. He has bylines on esteemed sites such as the BBC, Forbes, TechRadar, and of best of all, T3, where he covers topics ranging from classic cars and men's lifestyle, to smart home technology, phones, electric cars, autonomy, Swiss watches, and much more besides. He is an experienced journalist, writing news, features, interviews and product reviews. If that didn't make him busy enough, he is also the co-host of the AutoChat podcast.
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