SEIKO Prospex SOLAR Diver LOWERCASE SE

Here’s another one of those new Prospex “LADIES” divers – although as you’ll see it’s 43mm case is actually quite ample.

Said 43mm case is constructed with an inner-Stainless steel module, shrouded by an outer casing in hardened black plastic, and is fitted with a curved crystal.

Diver’s features include: 200m of water-resistance, anti-magnetic-resistance, a one-way bezel and a screw down crown and case-back.

Power comes from a Solar-driven Driving system, the Seiko Caliber V147 which has an accuracy of ±15 seconds per month and an operating time of for approx. 10 months from fully charged.



V147 functions include an overcharge prevention function as well as a quick-start function. Further features of the watches include: hands and dial markers with Seiko LumiBrite.

Total case dimensions incl. a height of 43mm, a width of 42.7mm and a depth of just 11.5mm. Total weight is 72g.

This new SEIKO Prospex Solar Diver for LOWERCASE joins 8 other Ladies references, of which there are some like this that are Special or Limited Editions along with regular models.

STBR015 with its black and silver case and dial, blue bezel insert and blue seconds’ counterweight has an MSRP is 40,000 JPY+TAX.