Grand Seiko 20th Anniversary Spring Drive SBGY003 Limited edition (2019)
![Grand Seiko 20th Anniversary Spring Drive SBGY003 Limited edition (2019)](https://watchprofessoracademy.com/wp-content/uploads/2023/06/68818724_699403353819735_8914154019932395270_n_18018432730228785.jpg)
Stainless steel case at 38.5mm. Spring drive 9R31 movement with an accuracy of +/- one second per day. Display case back to showcase the polishing on the movement. Power reserve is at 72 hours. Limited to 700pcs Priced at US$7600.00