This is a very beautiful Omega Seamaster De Ville Automatic with date

Gold on steel case

Omega logo in the glass, on the crown and movement

Unpolished: Seamaster logo is clearly visible, even "waterproof" is still there

Fully serviced November 2020

This watch is produced 1963, serial number starts with 20

Reference 166.020

International collection 1962

Movement type: Automatic (mechanical), runs perfect

Caliber number: 562

24 jewels

With central sweep-second hand

Functions: Date

Case: gold on steel

Case back: Unishell (case opening on dial side)

Crystal: Armoured hesalite with Omega logo

New brown leather bracelet

Brand	Omega
Model	Seamaster DeVille
Reference number	166.020 166.0020 DeVille
Code	316
Movement	Automatic
Case material	Gold/Steel
Bracelet material	Leather
Year of production	1963
Condition	Fair (Obvious signs of wear or scratches)
Scope of delivery	No original box, no original papers
Gender	Men's watch/Unisex
Location	The Netherlands, Rotterdam
Caliber
Movement	Automatic
Movement/Caliber	562
Number of jewels	24
Case
Case material	Gold/Steel
Case diameter	34 mm
Thickness	11 mm
Water resistance	Not water resistant
Bezel material	Gold/Steel
Crystal	Plexiglass
Dial	Silver
Dial numerals	No numerals
Bracelet/strap
Bracelet material	Leather
Bracelet color	Brown
Bracelet length	180 mm (105 mm / 75 mm)
Bracelet thickness	2 mm
Lug width	18 mm
Clasp	Buckle
Clasp material	Gold/Steel
Buckle width	16 mm
Functions
Date
Others
Central seconds

Omega Seamaster De Ville Automatic 562 166.020 Gold on steel vintage year 1963