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The Seiko Prospex SPB411 stays true to its vintage inspiration
Introducing
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The Seiko Prospex SPB411 stays true to its vintage inspiration

Fergus Nash
  • The Seiko Prospex SPB411 is a reissue of the Navigator Timer from 1968.
  • The varying style elements perfectly summarise the end of the 1960s.
  • It’s the second Seiko release to use the calibre 6R54 GMT movement.

Although Seiko’s relentless wash of releases over the last few years has almost exhausted their list of classic watches to reissue, fans of the brand won’t have any complaints with a massive catalogue of options. Their usual pattern is to release a limited, faithful recreation of a vintage model before following it up with a modernised, affordable version, however the new SPB411 may actually remain a one-off. With its silvery style encapsulating the sophistication of the 1960s but the sportiness of the upcoming 1970s, the Seiko Prospex Land SPB411 is a time capsule for the wrist.

Seiko Prospex Land SPB411 1

Based on the Seiko Navigator Timer from 1968, the SPB411 is a tribute to Seiko’s first dual-time watch. With a 24-hour ring on a rotating bezel, pilots or civilians could easily keep track of a second time zone. The extra GMT hand is added to that functionality, easily differentiating between home time and local time. Of course, that technology wasn’t anything new in the grand scheme of watchmaking, but the watch itself has been a cult classic among vintage Seiko collectors. The oval-shaped cushion case has a comfort-focused 38.5mm diameter and a 45.2mm lug-to-lug length, hitting the goldilocks spot between vintage taste and modern presence. The recessed crown at 4 o’clock was very typical of Seiko in that era, and although many of their contemporary models still feature it, here it looks especially smooth.

There’s nothing too crazy going on with the dial of the Seiko Prospex SPB411, which is exactly what makes it so charming. The sunburst-brushed grey gives just enough contrast to the applied silver indices, with simple batons for the hour markers and matching hands with a small taste of luminous paint. This all lets the GMT hand jump from the dial in its cherry-red splendour, despite actually being a bit undersized. Overall, it’s a balanced and subtle dial that retains class while the case looks into the playful future. The same can be said for the five-link steel bracelet, with a trapezoidal shape offering interesting light play.

Seiko Prospex Land SPB411 2

Powering the Seiko Prospex SPB411 is the calibre 6R54, which was introduced earlier in March 2023 for the Seiko Prospex GMT. Compared to the budget-oriented 4R34, the 6R54 has an improved power reserve of 72 hours and a SPRON 510 mainspring, which is also found in Grand Seiko watches. Otherwise, the beat rate of 21,600 vibrations per hour remains. The accuracy statistics from Seiko reveal a window of -15/+25 seconds per day, and the GMT hand can be adjusted in one-hour increments.

Seiko Prospex Limited Edition Land G.M.T. SPB411 pricing and availability

The Seiko Prospex Limited Edition Land G.M.T. SPB411 will be limited to 4,000 pieces and available from November 2023. Price: A$2,500

Brand Seiko
Model Prospex Limited Edition Land G.M.T.
Reference Number SPB411J
Case Dimensions 38.5mm (D) x 12.6mm (T) x 45.2mm (LTL)
Case Material Stainless steel
Water Resistance 100 metres
Crystal(s) Box-domed sapphire with AR coating
Dial Sunburst grey
Strap Stainless steel bracelet, folding clasp
Movement 6R54, in-house, automatic
Power Reserve 72 hours
Functions Hours, minutes, seconds, date, GMT
Availability Limited to 4,000 pieces
Price A$2,500