If there?s any brand that knows how to iterate on its catalog, it?s Seiko. Now, I know some people get tired of new colorways and slight variations, but I don?t. I?m generally all for brands offering more options to their customers. After all, we?re all persnickety, detail-obsessed watch nerds, right, so having more options just means that you may get the exact version of a watch you?ve been waiting for.
With their new limited collection they?ve dubbed the ?Black Series,? Seiko is unveiling three black-on-black divers, not unlike what they did back in 2018 with their first ?Black Series? collection, which also featured three watches. Pulling inspiration from night diving, this new series reimagines two beloved Seiko divers, creates a unique third, and renders all three in black to great effect. Let?s take a look at each.
Seiko Prospex Ref. SLA035 Black Series

Case Material: Stainless steel with Seiko?s black hard-coating
Dial: Black with Lumibrite luminous paint
Dimensions: 44.3mm wide x 50.5mm lug-to-lug x 15.4mm thick
Crystal: Sapphire crystal with inner AR
Water Resistance: 300m (ISO certified)
Crown: Screw down
Movement: Seiko 8L25 caliber (50 hours)
Strap/bracelet: Silicone strap
Price: $2,900
Reference Number: Ref. SLA035
Expected Release: April 2020 in the US

First up is Ref. SLA035, a watch that riffs on Ref. SLA021, the current successor to the much-adored Marinemaster 300. It features a monocoque stainless steel case finished with Zaratsu polishing a...