The gleaming, glossy ceramic top ring of this new divers model ensures style as well as shock and scratch resistance. With a professional helium valve and practical small second, its all a diver could ever want.
Product details
Price
$1,895.00 AUD
SKU
643 7638 7454MB
Weight
178.00 g
Watch Reference
643 7638 7454
Strap Reference
8 24 70
Case
Multi-piece titanium case, ceramic minutes scale top ring
Dial
Black dial printed wave structure
Strap
Multi-piece Titanium metal bracelet, folding clasp with extension
Size (inch)
1.85 inches
Size (mm)
47.00 mm
Top Glass
Sapphire, domed on outside, anti-reflective coating inside
Case Back
Titanium, screwed, special engravings
Operating Devices
Stainless steel screw-in security crown and Helium valve
Luminous Material
Indices and hands Superluminova BG W9
Water Resistance (ft)
3281
Water Resistance (m)
1000
Water Resistance (bar)
100 bar
Interhorn Width
24 mm
Movement
Automatic winding small second, date. Developed by Oris.
Number
Oris 643, base ETA 2836-2
Dimensions
Ψ 25.60 mm, 11 1/2
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
28800 A/h, 4 Hz
Jewels
27
Quantity
1
2
3
4
5
6
7
8
9
10
