Oris - Purely mechanical Swiss watches.

Oris BC4 Small Second, Pointer Day

An innovation in aviation style It’s style, not altitude that makes this watch a real high flyer. The BC4 Pointer Day is a 21st century take on the traditional and beloved Oris original movement. With its chic black dial and bold white numerals, as well as the innovative new strap design it’s stylish at every altitude.

Case Oris BC4, 42.70 mm, 1.681 inches, Stainless steel

Material Multi-piece stainless steel case

Size 42.70 mm, 1.681 inches

Top Glass Sapphire, domed on both sides, anti-reflective coating inside

Case Back Stainless steel, fixed with screws, see-through mineral glass

Operating Devices Stainless steel Oris Quick Lock security crown

Water Resistance 10 bar (100 m, 328 ft)

Interhorn Width 22 mm

Movement Automatic winding pointer day
Developed by Oris.

Number Oris 645, base ETA 2836-2

Dimensions Ø 25.60 mm, 11 1/2’’’

Functions Centre hands for hours and minutes, subsidiary second at 9 h, date window, day by centre hand, instantaneous date and day, date and day 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

Dial Black

Material Black dial printed structure

Luminous Material Indices and hands Superluminova BG W9

Strap/Bracelet Stainless steel

Material Multi-piece stainless steel metal bracelet, folding clasp

Reference 01 645 7617 4154-07 8 22 58