Case 
Size: 40 x 40 mm
Dial opening: 32,15 mm
Thickness: 11,70 mm
Full mirror-polished 316L Stainless Steel case
Polished stainless steel crown in trapezium shape engraved with BRISTON blazon
Ultra-resistant sapphire glass - 2mm thickness
See-through case-back with K1 glass
Water resistance to: 50m/5ATM

MovementAutomatic movement NH35A manufactured by Seiko
Mechanical with automatic winding with ball bearing (Bi-directional)
Rotor with “Côte de Genève” decoration
Caliber: 12’’’
Frequency: 21’600 vibrations/hour (3Hz.)
Jewels: 24
Power reserve: up to 41 hours
Quick date correction
Functions: Hours, minutes, central seconds, date calendar
DialWhite silvered
Polished stainless steel applied indexes in arrow shape
Double applied indexes at 12 o’clock & white small lines (minutes indication)

HandsPolished rhodium-plated Dauphine style Hour & Minutes hands
Blue steel central seconds hand
Date window positioned at 6 o’clock

StrapExclusive VINTAGE Grey taupe calfskin Leather strap: genuine leather with grey stitching
Traditional & interchangeable 2-part strap with pin system to remove the strap
Length: 75mm/115mm
Width: 20 mm
Leather loop - BRISTON engraving on the steel pin buckle


Product Code:Automatic HMS Date 18640.PS.I.2.LVT

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