This is stunning and rare:

Extract from the Archives:

Omega Constellation Automatic Chronometer Officially Certified

Famous 'Pie Pan' dial plus 'cross hair'

Original Omega leather strap dark brown

Original Omega buckle

Omega logo's on the glass, on the crown and movement

Fully serviced November 2015

International collection 1962, this watch is manufactured in 1966

Movement Type: Automatic chronometer certified

Caliber number: 561

24 jewels

Central sweep-second hand

Functions: Date, Chronometer

Case: Stainless steel

Case back: Screw-in

Dial: Pie-pan type

Crystal Armoured hesalite

Basic Info
Ref. No.	168.005
Movement	Automatic
Case material	Steel
Bracelet material	Leather

Year	1966
Condition	1 (mint)
Gender	Men's watch/Unisex
	With papers

Location	Netherlands, Rotterdam

Availability	Available immediately
Caliber
Movement	Automatic
Movement/Caliber	561
No. of Jewels	24
Case
Case material	Steel
Case diameter	34 mm
Thickness	11 mm
Material bezel	Steel
Glass	Mineral Glass
Bracelet/strap
Bracelet material	Leather
Bracelet color	Brown
Bracelet length	195 mm (105 mm / 90 mm)
Bracelet thickness	3 mm
Lug width	18 mm
Clasp	Buckle
Clasp material	Steel
Buckle width	16 mm
Functions
Date
Others
Center Seconds, Chronometer, Only Original Parts

Omega Constellation Pie Pan : Extract Archives Omega buckle and strap 168.005 vintage 1966