Review: Seiko SLA017 – the re-creation of Seiko’s first diver

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Many vintage pieces get rehashed these days, and although it thrills us to see a deserving piece come to life again in perfect condition, it also gets us thinking on what the brands are still able to offer. Such expectations are a fantastic thing to have, especially if you know that an eminent vintage will be reintroduced to allow more collectors to have the chance to own it. But when reality exceeds expectations, the excitement can be overwhelming. The Seiko 62MAS (autoMAtic Selfdater)  reissue certainly had great shoes to fill, but the SLA017 has undoubtedly met all of our expectations.


Seiko SLA017 / SBDX019


The Seiko 62MAS reissue – SLA017

(also known as SBDX019 JDM – Japan Domestic Model)

Over the past few weeks, you could hear constant chatter from “Seikoholics” around the world, revelling in the joy of the package arrivals for their 62MAS reissue piece, the SLA017. Officially announced during Baselworld in March 2017, with leaked photographs circulating forums and Facebook groups since January, the hype and exhilaration of the reissue had not dampened over time. After all, this is the first time Seiko is bringing back its first diver watch in 50 years and thus it had easily became the most anticipated Seiko this year. Although the vintage and the reissue look aesthetically identical, the design of the reissue is even more relevant for today, with its clean straight-cut case, stunning sunburst dial and dressy narrow bezel.

Seiko diver watches are probably the most collected category among Seiko fans, thanks to their value-for-money proposition across varying price ranges. The Seiko 62MAS (autoMAtic Selfdater) was first ever diver’s watch from Seiko, and was introduced in 1965. It was designed for reliability and legibility under harsh conditions and was used by the Japanese Antarctic Research Expedition from 1966 to 1969. The watch’s significance is far from just meeting the stringent standards set by the Expedition, but it was hugely popular in the leisure diving community and even with a wider public and set Seiko on the path of being the supremo in diving watches.

The 62MAS was originally sold for 13,000 Japanese Yen (approximately S$160 in today’s exchange rate) and advertised as a “Skin Diver” for free diving and snorkelling, the first diver watch i.e. the 62MAS is made for depths of only up to 150m. The SLA017 reissue today can be used up to 200m and can be categorised as an “Air Diver” for use with air tanks for scuba diving.

Owning a pristine 62MAS  vintage today comes with immense watch bragging rights and it is no different for the reissue as well, as the SLA017 is a highly worthy one. It comes in a more durable case treated with a super-hard coating. Additionally, the dome-shaped sapphire crystal which is better in scratch resistance is an upgrade from the usual Seiko hardlex sapphire. The SLA017 comes with a more robust movement using the 8L35, and it features a screw-down crown this time.


The 200m WR diver features a highly legible dial with contrasting markers.

The case, dial and hands

The case size on the SLA017 is nearly identical to the original 62MAS, with the diameter increased by 1.9mm this time, its now 39.9mm case. The circular brushed finishing on the lugs could be a deliberate attempt to allow the face of the watch to stand out with its overall glossy appearance due to the reflective bezel and dome-shaped crystal. At the back of the case, the original dolphin motif returns with an improved, flat laser engraving. There is also the serial number (out of 2,000 pieces) as well as the mention of “Made in Japan” and “Air Diver’s 200m” at the caseback.


The original dolphin motif engraved on caseback.


The dial is a dark charcoal-grey, with a subtle, less dramatic sunburst effect compared to other Seiko divers, especially compared to the ones from the “Blue Lagoon” series. Fortunately the dial is kept clean to resemble the original, with no further “X” Prospex logo added onto it.

This reissue comes with a large crown at the 3 o’clock position, which takes cue from the second version of the 62mas, the big-crown 6217-8001. Both versions come with the absence of crown guards. The reissue is improved with a screw-down crown this time.

The round corners on the hour markers remain true to original; against the dark dial it looks contrasting and legible.

The reissue comes in a silicon rubber-style waffle strap as well as a stainless steel bracelet. We find the silicon strap slightly glossier and softer than the usual Seiko ones, complementing the dressy appearance of the watch rather well. The accompanying thin and light-weight bracelet exudes an appropriate vintage feel with its matte polish and interestingly its somewhat-loose links rattles slightly when on the wrist. We noticed that with a lug width of 19mm, it might not be easy for the wearer to fit the watch with a jubilee bracelet which is a commonly-loved choice of bracelet in recent Seiko diver fashion.


The reissue comes in a silicon rubber-style waffle strap that is softer and glossier than other Seiko straps.


The movement

The SLA017 uses the Caliber 8L35 which was specially designed for diver’s use and is made by Seiko themselves in the Shizuku-ishi Watch Studio in Morioka in the north of Japan. It has a 50 hour power reserve, running at the rate of 28,000 bph. It has both hacking and hand-winding functions which sets it apart from the original 62MAS.

This movement is also used in other mid-range Seiko divers like the MM300 and the Emperor Tuna models. It is often compared to the 9S55 Grand Seiko movement only that it is undecorated for closed caseback tool watches, and it does not require the need for the strict level of adjustment of Grand Seiko movements. The 8L35 is a proven robust movement, and we see it as fitting in this reissue.


A comparison between the original and the reissue



37mm case size minus crown

39.9mm case size minus crown

150m WR

200m WR

6217 movement

8L35 movement

18,000 bph

28,800 bph

No hand wind

Allows for hand winding

32 hours power reserve

50 hours power reserve

Non hacking


No screw down crown

Screw down crown

Plexiglas crystal

Box-shaped sapphire crystal with AR coating

Anti-magnetic 4,800A/m resistance

Durability is enhanced by the super-hard coating which protects the watch from scratches

Concluding thoughts

Based on the comparison between the original and this year’s long-awaited reissue, we consider the reissue more superior; everything is better, just minus that alluring patina. With only 2,000 pieces worldwide this time to be shared among all Seiko watch “otakus” (defined as someone with obsessive interests), hunting for the watch will be half of the fun.

The SLA017 with the waffle strap, on our author’s 5.5″ wrist.


The SLA017 with the original bracelet, on our author’s 5.5″ wrist.

Seiko SLA017 – Technical Specifications and Price

First Diver’s Re-creation Limited Edition: SLA017

Caliber 8L35

Driving system: Automatic

Vibrations: 28,800 vibrations per hour (8 beats per second)

Power reserve: 50 hours

Number of jewels: 26


Stainless steel case with super-hard coating

Box-shaped sapphire crystal with anti-reflective coating

Screw case back

Screw-down crown

Water resistance: 200m diver’s

Magnetic resistance: 4,800 A/m

Diameter: 39.9mm, Thickness: 14.1mm

Silicone strap with an additional stainless steel bracelet

Approximate recommended retail price in Europe: €3,800 

Limited Edition of 2,000 pcs


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  1. It’s more than worth the price as 2K limited edition. Cannot buy any other watch for this quality. Rolex not even close! My watch is running at +5 sec. per day. And a MM300 doesn’t look like this whatsoever. So any of you think it’s not worth it; you just don’t get it! It’s classic 1960’s elegance!

  2. Completely agree with Aditya. This is a fantastic watch but the price is scandalous. It is twice the price of a MM300 that has the same movement, superior case and comes with a metal bracelet in addition to the rubber strap. Sure, it has a sapphire crystal, but this can’t be more than $100 USD. Seiko is generally the best value for money of any brand across all their range (including Grand Seiko, although I am concerned about the trend there), but this would be the exception.

    I really, really wanted this watch since I saw its release, but couldn’t justify the price. Instead, I picked a brand new Rolex 214270 for a little over EUR 4,500 this year here in HK. Now, that is value.

  3. Ticks almost all the boxes for my grail Seiko, or any watch for that matter: under 40mm, stick or baton hands, applied or embossed indices, drilled lugs, slim bezel, no crown guards, screwed-in crown. It’d be perfect if it came without date, but I guess that’s asking for the impossible since Seiko doesn’t do no-dates.

    I have it on my wrist now, and I can say it is worth it, despite my initial misgivings about its hefty price tag after reading Basel reports about it at the start of the year.

    One really has to hold it and scrutinise it under good lighting to appreciate the fine details and refined finishing.

    I can’t believe how there are some people at WUS who would quibble over its box, which is made in China.

  4. The regular production model will be $1,000 USD… a fair bit cheaper than a Rolex Sub… This model is also about two fifths of the price.

  5. Aditya Bheda on

    Love the watch. HATE the price. MM300 is a much better buy, or, just fork out for submariner. Seriously. Even when Seiko launch the regular production run with a black dial at USD 3,000 it just won’t be worth the dosh.