Kosso & Steel
sapphire crystal glass
deployment buckle with push buttons
case width: 45mm
case thickness: 10.5mm
lug ends: 55mm
band thickness: 18mm
band length: 160mm
display: hours - minutes - seconds
jewel bearing: 5 jewel
tuning fork type: quartz crystal
frequency: 1.5 V
battery: silver oxide No.364 (equiv)
drive system: 2-pole stepping motor
Finish & Care
The natural ebony is hand finished and pretreated with tung oils.
The Frankie is splash-proof but should not be submerged in water (3 ATM).
Lemon or orange oil extract is best for cleaning the natural wood. When storing this timepiece, avoid extremely hot, cold, and excessively dry/humid environments.