Citizen Uhrglas 54-91253H – Ø ca. 30,1 mm – Crystal Glass (Mineralglas) – Vintage Watch Glass – NOS GMT Classic Grand Seiko design based

Classic Grand Seiko design based on the "Grammar of Design" by Taro Tanaka

KompatibilitätPassend für Citizen-Quartz-Kaliber der 2820-Baureihe und weitere Modelle mit identischer Zifferblatt-Geometrie

which stylishly completes the design

the caliber of this series was set to a deviation of about ±5 seconds per month – a value that was considered an absolute top performance in the early 1970s

About the Ricoh brand – the "forgotten sister" of Japanese watchmaking: The Ricoh watch history begins – similar to Seiko – not under its current brand name

Citizen Uhrglas 54-91253H – Ø ca. 30,1 mm – Crystal Glass (Mineralglas) – Vintage Watch Glass – NOS GMT Classic Grand Seiko design basedOriginal Citizen () watch crystal from unused old stock (NOS) Citizen original spare part ( "Genuine Parts"), 1 piece. Labeled as ("Crystal Glass") on the original packaging a real (mineral) glass, not acrylic. Citizen part number 54 91253H. This is a round crystal with a flat low profile, diameter approx. 30. 1 mm. The exact case model assignment can be researched using the Citizen part number (e. g. Boley); offered by reference and exact dimensions.