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INTRODUCING: Seiko Prospex 1965 Heritage Diver’s Watch & 100th Anniversary Special Edition (Refs: SPB451, SPB453 & SPB455)

Seiko Prospex 1965 Heritage Diver’s Watch

With a trimmer build, better specs, and a new movement, there’s a lot to love about the refreshed iconic diving watch.

This is the 100th year since the Japanese watchmaker introduced its first wristwatch with the “Seiko” brand on the dial, and we expect a slew of commemorative editions to be released across its collections throughout the year. However, we weren’t expecting an update to its iconic Prospex 1965 series, considering the ongoing popularity of 2020’s Ref. SPB143. That said, looking at the specs of the Seiko Brand 100th Anniversary Prospex 1965 Heritage Diver’s Special Edition (Ref. SPB455) and the Prospex 1965 Heritage Diver’s Watches (Refs. SPB451 & SPB453), we’re thankful the company chose this momentous occasion for a collection revamp.

Seiko 62MAS
The legendary 62MAS, introduced in 1965, set the benchmark for Seiko dive watches to this day.

Prospex 1965 Heritage Diver’s Watch

Of course, when we say revamp, we mean incremental changes rather than a drastic overhaul, as is the de rigueur for the collection through the decades. In fact, much of the design aesthetics of the new stainless steel models can still be traced back to Seiko’s original diver’s watch, the legendary 62MAS, introduced in 1965. Based on – and effectively replacing – the aforementioned Ref. SPB143, the three novelties share the same specs and are physically more compact versions of their predecessor, measuring 40mm wide, 13mm thick, and 46.4mm lug to lug. Despite the trimmer dimensions, the watches have a higher water resistance of 300m, which is a first for the Prospex collection’s non-saturation diver’s watches. Also new on board is the self-winding Calibre 6R55, one of Seiko’s latest in-house movements, that extends the power reserve from 70 hours to three full days.

Seiko Prospex 1965 Heritage Diver’s Watch
The new Prospex 1965 Heritage Diver’s Watch has a trimmer build and redesigned bracelet for better wearing comfort.

The Prospex 1965 Heritage Diver’s Watch is available with a blue (Ref. SPB451) or black (SPB453) dial alongside a unidirectional rotating bezel with a matching laser engraved aluminium insert that ensures durability through long periods of use. A curved sapphire crystal with inner anti-reflective coating enhances the legibility, as do the LumiBrite inserts on the hands, indexes, and bezel. Furthermore, the date window has been relocated to 4:30, presumably thanks to the new calibre, making way for a more symmetrical design, as the three o’clock position finally gets a full index with lume.

Seiko Prospex 1965 Heritage Diver’s Watch
Along with the new self-winding Calibre 6R55, the date window has been repositioned at 4:30, allowing a more symmetrical dial design.

Seiko Brand 100th Anniversary Prospex 1965 Heritage Diver’s Special Edition

Perhaps the best-looking of the lot, the special commemorative edition (Ref. SPB455) sets itself apart with a charcoal-grey dial with gold-coloured accents to evoke the celebratory spirit. Like its siblings, it comes with a newly redesigned bracelet with shorter links and a smaller clasp, allowing the watch to conform more snugly to the wrist and providing a new level of wearing comfort. The shorter lugs, coupled with the revised proportions, would also offer a higher degree of wearability to more watch lovers.

Seiko Brand 100th Anniversary Prospex 1965 Heritage Diver’s Special Edition
The Prospex 1965 Heritage Diver’s Special Edition has a distinctive charcoal-grey dial with gold-coloured accents.

In addition, the special edition comes with an extra strap made entirely of recycled plastic bottles. Crafted using the age-old Japanese braiding technique known as Seichu, this strap boasts a luxurious texture and lustre reminiscent of the traditional obijime, the ornamental cord securing a kimono sash. Meticulously engineered to surpass the tensile strength of regular Seiko fabric straps by nearly four times, its durability and resilience against UV damage make it ideal for the brand’s diver’s watches.

Seiko Brand 100th Anniversary Prospex 1965 Heritage Diver’s Special Edition
The Prospex 1965 Heritage Diver’s Special Edition includes an additional fabric strap made of recycled plastic bottles, crafted using the age-old Japanese braiding technique of Seichu.

If, like us, you can’t wait to get your hands on the new Prospex 1965 Heritage Diver’s watches, you unfortunately have to wait till June 2024, when they will be available at the Seiko boutiques and select retail stores.

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dive watch, Seiko, sports watch


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