Seiko Marks 145 Years With Four Gold-Accented Limited Editions
Seiko Watch Corporation opened 2026 with a four-watch limited programme marking 145 years since Kintaro Hattori founded the business in 1881. According to aBlogtoWatch’s January 2026 report, each piece sits in a different catalogue line—King Seiko, Prospex, Presage and Astron—and shares gold-toned hardware plus a dial motif drawn from engraving used at Hattori’s original Ginza shop. The gold is a visual thread, not a shared case or movement.
Four lines, one anniversary brief
The brief is catalogue coverage rather than a single hero watch. King Seiko and Prospex reuse existing steel platforms with a new grey or white patterned dial. Presage uses a gold-finished 35 mm case and white enamel. Astron uses black-coated titanium and GPS solar. Production counts cluster around the anniversary number on two of the four references.
| Reference | Line | Calibre | Edition | Retail (USD) |
|---|---|---|---|---|
| SJE121 | King Seiko KS1969 | 6L35 auto, 4 Hz, 45 h | 800 | 3,100 |
| SRQ059 | Prospex Speedtimer | 8R48 chrono, 4 Hz, 45 h | 700 | 2,500 |
| SPB538 | Presage Classic | 6R51 auto, 3 Hz, 72 h | 1,450 | 1,900 |
| SSH186 | Astron GPS Solar | 5X83 GPS solar | 1,450 | 3,300 |
According to aBlogtoWatch, the SJE121 is a dial variant of the 2024 KS1969 revival (39.4 mm × 9.9 mm, box sapphire). The SRQ059 follows the current automatic Speedtimer (42 mm × 14.6 mm, Caliber 8R48 with column wheel and vertical clutch). The Presage SPB538 is the outlier: 35 mm × 12.3 mm, onion crown, brown leather, and a glossy white enamel dial with Roman numerals. The Astron SSH186 is 44.1 mm × 14.4 mm in Super-Hard-coated titanium, with dual time, chronograph, perpetual calendar and 38-zone world time.
What the numbers say about positioning
- Lowest price and joint-highest run: Presage SPB538 at $1,900 / 1,450 pieces.
- Smallest run: Prospex SRQ059 at 700, despite sitting below King Seiko on price.
- Highest price: Astron SSH186 at $3,300, matching Presage on quantity.
- King Seiko remains the steel dress reference at $3,100 for 800 watches.
The split is consistent with how Seiko has used anniversary years: one craft dress watch, one sports chrono, one King Seiko, one GPS solar. Builders who work from Prospex cases will recognise the Speedtimer’s dimensions in the Prospex mod guide; the anniversary SRQ059 is a factory dial, not an aftermarket donor. Strap width on the 35 mm Presage is a different problem from 20 mm or 22 mm sports lugs—see the lug and strap width guide before swapping leather on a Classic Series case.
FAQ
Are these four watches the same limited series? Yes. Seiko issued them together in January 2026 as 145th-anniversary limited editions. They share gold accents and a Hattori-era motif, not a common calibre or case.
Which reference has the smallest production? The Prospex Speedtimer SRQ059 is limited to 700 pieces. King Seiko SJE121 is 800. Presage SPB538 and Astron SSH186 are each 1,450.
Is the Presage case gold or gold-tone? Reporting describes a gold-finished case, not solid gold. The enamel dial, onion crown and leather strap complete a 1913 Laurel-inspired look.
Sources: aBlogtoWatch, 9 January 2026; Seiko Watch Corporation product pages.