Coastline Chronograph 6430-05 Powered by light energy- no battery change required features a textured blue dial Nubuck has a soft W220 details_features-strap-packaging_6 Clasp Option:Silver (Steel)

features a textured blue dial evoking the changing tones of mineral and stone deposits on cave walls

First introduced in 1961

Inspired by the vintage Seiko 5 Sports models of the 1960s and 1970s

with an exceptional power reserve of approximately 72 hours and manual winding capability

The black dial includes a magnified day/date calendar and LumiBrite hands and markers

Coastline Chronograph 6430 05 Powered by light energy no battery change required features a textured blue dial Nubuck has a soft W220 details_features strap packaging_6 Clasp Option:Silver (Steel) features a textured blue dial evoking the changing tones of mineral and stone deposits on cave walls First introduced in 1961