Vintage 90s Seiko Dolce Two Tone Dress Watch Thin 5.5mm - 1990 - 5E31-6B20 Strap and the case shows light

and the case shows light signs of age consistent with careful wear

and the titanium case and bracelet show next to no signs of wear

The dial has developed attractive age-related patina across the surface

Extensively tested and working very well

Complementing the unique dial

Vintage 90s Seiko Dolce Two Tone Dress Watch Thin 5.5mm - 1990 - 5E31-6B20 Strap and the case shows lightSeiko Dolce Ultra Thin Quartz 1990 Two Tone Patterned Dial 5E31 6B20 This is a beautiful and exceptionally slim Seiko Dolce quartz dress watch, reference 5E31 6B20, from 1990. The Dolce line was one of Seiko's premium offerings, often only for the Japanese Domestic Market, renowned for its sophisticated design and high quality quartz movements. This model features an elegant two tone (stainless steel and gold tone) case, housing a beautiful white dial