Seiko Seiko Selection

The Seiko Selection, reference SBTM291, has a 39.5 mm titanium case. The watch has world time. The case is 9.5 mm thick, with a lug-to-lug measurement of 46.1 mm and a water-resistance rating of 100 metres. Solar-powered calibre 7B75 contains 6 jewels and operates for approximately 9 months when fully charged. Fastening is by a sapphire crystal with a Super Clear coating; the watch has a three-fold clasp with push-button release. Movement accuracy is plus or minus 15 seconds per month without signal reception. This watch has magnetic resistance; the case has a Diashield coating. LumiBrite appears on the hands and indices.