The Seiko Prospex SPB143 (2020) was the first of a series of reissues honouring the 1965 Seiko 62MAS - Seiko's first divers watch. 40.5 mm steel case, 200 m water resistance, 6R35 movement (70-hour power reserve), sapphire crystal with box-style cut. Multiple dial colours (143 black, 149 blue, 151 grey).
Used pricing in 2026: EUR 800-1200.
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The 6R35 is well-regarded but accuracy out of the box is +/- 25 seconds per day. A regulation visit can pull this to +/- 5 sec; sellers may have done this and should mention it.
Bracelet end-link rattle on early production units was a known complaint - test by shaking against the ear.