En la versión para Grail Watch del DB25 Calendario Perpetuo de 40 mm, se optó por la caja de titanio grado 5, combinada con una esfera azul marino oscuro.
De Bethune DB25 Perpetual Calendar – The Hour Glass
The 40mm De Bethune DB25sQP Perpetual Calendar
Up Close with Grail Watch 6: De Bethune DB25 Perpetual Calendar Rhapsody in Blue - Revolution Watch
De Bethune DB25 Perpetual Calendar – The Watch Pages
GRAIL WATCH 6: De Bethune DB25 PERPETUAL CALENDAR 40MM 'RHAPSODY IN BL – Grail Watch Pte. Ltd.
Hands-On - 40mm De Bethune DB25 Perpetual Calendar (Price)
De Bethune presenta el Cempasúchil II
Grail Watch 6: De Bethune DB25 Calendario Perpetuo 40mm Rhapsody In Blue
De Bethune presenta el Cempasúchil II
Grail Watch 6: De Bethune DB25 Perpetual Calendar 40mm Rhapsody In Blue - Revolution Watch
Hands-On - 40mm De Bethune DB25 Perpetual Calendar (Price)
De Bethune DB25 Perpetual Calendar – The Hour Glass
De Bethune DB25 Perpetual Calendar – The Watch Pages
GRAIL WATCH 6: DE BETHUNE DB25 PERPETUAL CALENDAR 40MM “RHAPSODY IN BL – Grail Watch Pte. Ltd.
Up Close with Grail Watch 6: De Bethune DB25 Perpetual Calendar Rhapsody in Blue