{"title":"Grey Seiko Prospex Watches","description":"","products":[{"product_id":"seiko-prospex-mens-king-sumo-grey-gradation-diver-watch-45mm-spb323j1","title":"Men's King Sumo Grey 'Gradation' Diver Watch, 45mm","description":"\u003cp\u003eThe Seiko Prospex SPB323J1, affectionately known as the ‘Sumo’, is a bold diver’s watch recognised by Seiko fans for its powerful size, distinctive case shape and prominent 12 o’clock marker. Its substantial design delivers a strong, confident presence that reflects the rugged spirit of professional dive watches.\u003c\/p\u003e\n\u003cp\u003eThis upgraded Sumo model features modern enhancements including a ceramic bezel and a super-hard coating on both the case and bracelet for increased durability. A newly developed three-row bracelet and upgraded clasp improve comfort and wearability, while the fine pressed dial with graduated grey tones adds depth and a refined, contemporary finish.\u003c\/p\u003e\n\u003cp\u003eProspex combines the words ‘Professional’ and ‘Specifications’, representing Seiko’s commitment to creating watches that are practical, reliable and built to perform in demanding conditions. Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has continued to set global standards, with the SPB323J1 carrying this legacy forward.\u003c\/p\u003e","brand":"Seiko Prospex","offers":[{"title":"Default Title","offer_id":52590380744970,"sku":"SPB323J1","price":952.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/5276\/5450\/files\/seiko-prospex-mens-king-sumo-grey-gradation-diver-watch-45mm-p41616-66758_image.jpg?v=1781648712"},{"product_id":"seiko-prospex-mens-speedtimer-compact-countdown-bracelet-watch-spb513j1","title":"Men's Speedtimer 'Compact Countdown' Bracelet Watch","description":"\u003cdiv\u003eThe SPB513J1 marks a significant evolution in Seiko’s Speedtimer legacy, a collection first introduced in 1969 as a major milestone in the brand’s watchmaking heritage. This latest design is the first Speedtimer to feature the robust and reliable in-house 6R automatic calibre and is the slimmest 6R model in Seiko’s history, measuring just 11.95mm in depth for enhanced comfort and wearability.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eFinished with a super-hard coating, the flowing case shape draws inspiration from the iconic Seiko ‘Panda’ of 1972. Beneath curved sapphire crystal glass, the silver-white dial is framed by a practical countdown timer function, with a Lumibrite-coated inner-ring reference triangle ensuring clear visibility both day and night. Compact and well-balanced, this Speedtimer has a comfortable 39.5mm diameter and offers water resistance up to 200 metres.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003ePowered by the in-house 6R55 automatic movement, the SPB513J1 delivers reliable performance with an accuracy of -15\/+25 seconds per day and an impressive three-day power reserve. Part of the Seiko Prospex collection—short for ‘Professional Specifications’—this timepiece is designed to be practical, reliable and durable, meeting the demands of sports lovers and adventure seekers alike.\u003c\/div\u003e","brand":"Seiko Prospex","offers":[{"title":"Default Title","offer_id":52591172649226,"sku":"SPB513J1","price":850.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/5276\/5450\/files\/seiko-prospex-mens-speedtimer-compact-countdown-bracelet-watch-p53526-103284_image.jpg?v=1781638892"},{"product_id":"seiko-prospex-mens-speedtimer-compact-countdown-black-dial-watch-spb515j1","title":"Men's Speedtimer Compact Countdown Black Dial Watch","description":"\u003cp\u003eThe SPB515J1 continues the legacy of the Seiko Speedtimer, first introduced in 1969 as a major milestone in the brand’s watchmaking heritage. This latest model is the first Speedtimer to be powered by the robust and reliable in-house 6R automatic calibre and is also the slimmest 6R timepiece in Seiko’s history, measuring just 11.95mm in depth for exceptional comfort on the wrist.\u003c\/p\u003e\n\u003cp\u003eFeaturing a super-hard coating, the flowing case design was originally introduced in 1972 on the iconic Seiko ‘Panda’. Beneath curved sapphire crystal glass, the black dial is framed by a practical countdown timer function, with a strongly Lumibrite-coated inner-ring reference triangle ensuring clear visibility in both daylight and low-light conditions. Compact and wearable, this Speedtimer measures 39.5mm in diameter and offers water resistance up to 200 metres.\u003c\/p\u003e\n\u003cp\u003ePowered by the in-house 6R55 automatic movement, the SPB515J1 delivers dependable performance with an accuracy of -15\/+25 seconds per day and an impressive three-day power reserve. Part of the Seiko Prospex collection—short for ‘Professional Specifications’—this timepiece is designed to be practical, reliable and durable, meeting the demands of sports lovers and adventure seekers alike.\u003c\/p\u003e","brand":"Seiko Prospex","offers":[{"title":"Default Title","offer_id":52591173107978,"sku":"SPB515J1","price":850.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/5276\/5450\/files\/seiko-prospex-mens-speedtimer-compact-countdown-black-dial-watch-p53533-103285_image.jpg?v=1781638903"},{"product_id":"seiko-prospex-mens-limited-edition-datsun-fairlady-z-leather-strap-watch-xxxx-2500-spb517j1","title":"Men's Limited Edition DATSUN Fairlady Z Leather Strap Watch (XXXX\/2500)","description":"\u003cp\u003eThis new limited edition collaboration combines modern watchmaking with car making heritage in a stunning 1960s style design. First introduced in 1969, the ‘Speedtimer’ was a major innovation milestone in Seiko’s watchmaking heritage. Nissan Motor Corporation’s ‘Datsun,’ Japan’s leading sports car brand, launched in the same year.\u003c\/p\u003e\n\u003cp\u003eThis latest collaborative design is the first Speedtimer to feature the robust and reliable 6R in house automatic calibre and the slimmest ever 6R model in the brand’s history, at just 11.95mm depth, 39.5mm diameter and 200m water resistance.\u003c\/p\u003e\n\u003cp\u003eIn 1971, the Datsun 240Z car, also known as the Fairlady Z – adorned with Seiko logo sponsorship – won the East African Safari Rally, one of the world’s toughest races. The Datsun 240Z parallels the Seiko Speedtimer with its stylish, resilient and reliable high performance.\u003c\/p\u003e\n\u003cp\u003eThis Speedtimer watch features many design elements from the original DATSUN 240Z rally car: the colour scheme, the font from the instrument panels of the vehicle and the DATSUN logo on the caseback, dial and clasp. The hard-coated bezel features a tachymeter speed measurement tool. The black LWG-approved leather strap adds a touch of elegance to a sporty design.\u003c\/p\u003e\n\u003cp\u003eWith its super-hard coating, the flowing case shape of this model was first used in 1972 on the famous Seiko ‘Panda.’ Under the curved sapphire glass, the black dial is encircled by a countdown timer function. The strong Lumibrite coating on the inner-ring reference triangle allows for the countdown timer to be used with clarity during both day and night – essential for pitwork during long rallies. Compact and comfortable, this Speedtimer has a diameter of 39.5mm, and a water resistance of 200m.\u003c\/p\u003e\n\u003cp\u003eThe in-house 6R55 automatic calibre is accurate to -15\/+25 seconds per day, with a three day power reserve.\u003c\/p\u003e\n\u003cp\u003eProspex is a combination of the words ‘Professional’ and ‘Specifications.’ Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.\u003c\/p\u003e","brand":"Seiko Prospex","offers":[{"title":"Default Title","offer_id":52591173140746,"sku":"SPB517J1","price":1100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0926\/5276\/5450\/files\/seiko-prospex-mens-limited-edition-datsun-fairlady-z-leather-strap-watch-xxxx-2500-p53534-102978_image.jpg?v=1781638906"}],"url":"https:\/\/www.francisandgaye.co.uk\/collections\/grey-seiko-prospex-watches.oembed","provider":"Francis \u0026 Gaye","version":"1.0","type":"link"}