
Yema Navygraf Chrono 40mm
Reference: YNAV22CH.EN-GMS
The Yema Navygraf Chrono 40mm in silver and blue is a chronograph watch released under the Diving collection. In terms of construction this version features a 40mm and stainless steel case paired with a stainless steel band and sapphire crystal. The movement is an automatic ETA reference 7750. It has a power reserve of 42 hours and beats at a frequency of 28 800 beats per hour.
Essentials
Collection
Watch style
Crystal
Sapphire
Materials case
Stainless steel
Materials band
Stainless steel
Water resistance
100 m
Visuals
Case shape
Round
Case diameter
40 mm
Case height
15.7 mm
Lug width
20 mm
Illumination
Super-LumiNova
Super-Luminova BGW9
Colors case
Silver, Blue
Colors dial
Blue
Colors band
Silver
Movement
Caliber
ETA 7750
Type
Automatic
Power reserve
42 hours
Frequency
28 800 bph /
4 Hz
No. of jewels
25
Complications