The Oris BC4 Aviation collection reaches new heights with this latest model. Simple and understated but with all the hallmarks of an Oris flight instrument, it has a classic aviation look. It’s clear for all to see that this is classic Oris BC4.
Product details
Price
$1,950.00 AUD
SKU
643 7617 4764LS
Watch Reference
643 7617 4764
Strap Reference
5 22 58BFC
Case
Multi-piece stainless steel case, black DLC plated
Dial
Black dial
Strap
Black leather strap, stainless steel, black DLC plated folding clasp
Size (inch)
1.681 inches
Size (mm)
42.70 mm
Top Glass
Sapphire, domed on both sides, anti-reflective coating inside
Case Back
Stainless steel, black DLC plated fixed with screws, see-through mineral glass
Operating Devices
Stainless steel Oris Quick Lock security crown, black DLC plated
Luminous Material
Indices and hands Superluminova BG W9
Water Resistance (ft)
328 ft
Water Resistance (m)
100 m
Water Resistance (bar)
10 bar
Interhorn Width
22 mm
Movement
Automatic winding pointer day. Developed by Oris.
Number
Oris 643, base ETA 2836-2
Dimensions
25.60 mm
Functions
Centre hands for hours and minutes, subsidiary second at 9 h, date window, date corrector, fine timing device and stop-second
Winding
Automatic winding, bi-directionally rotating red rotor
Power Reserve
38 hrs
Vibrations
28’800 A/h, 4 Hz
Jewels
27
Quantity
1
2
3
4
5
6
7
8
9
10
