Seiko Uhrglas 44-20 – Vintage Mineralglas – NOS Taucheruhr Gewicht der Uhr am Armband:

Gewicht der Uhr am Armband: 66 g

Original Seiko winding stem for the 8N45 and 8N46 caliber families

Caliber compatibility: Citizen 2040

but the watch has not been polished in order to preserve its original finish

Reference points

Seiko Uhrglas 44-20 – Vintage Mineralglas – NOS Taucheruhr Gewicht der Uhr am Armband:Original Seiko watch crystal with specification 44 20 , from unused old stock (NOS). The packaging is from (Nakanishi Shten) , a traditional Japanese spare parts dealer from Shinagawa, Tokyo. The imprint(Seiko Futbu) refers to older Seiko standard glasses according to Japanese type standards. The handwritten notation 44 20 means: Outer diameter: 44 mm Glass thickness: 2 mm This is a very large mineral glass, such as was used in vintage pocket watches,