GLYCINE F 104 manual Ref. 3891.19AT (UNITAS 6498, GENEVA)

F 104 manual Ref. 3891
Movement
Caliber: ETA 6498-1 3 hands manual winding
Functions: hours, minutes and small second at 6h
Size: 16 1/2"
Jewels: 17
Power Reserve: 46 hours
Hz: 2.5/18'000 vibrations per hour
Finish: nickel coated, bridges chess board decorated

Case, Dial & Hands
Material: stainless steel
Diameter: 48mm without crown
Height: 9.6mm with see-through back
Finish: polished
Waterproof: 3 atm
Back: screwed see-through mineral glass
Glass: sapphire
Dial: black with SL
Hands: white with SL
Crown: sticker crown

Special features
dial with inclined ring conceived like a board instrument.
small second at 6 o'clock.
mobile steel lugs for smooth fitting on the wrist.

Leather strap
Material: calf
Colours: black, brown
Width: 22mm horns / 22mm buckle
Buckle: belt