This is a nice all stainless steel Omega Seamaster 600

All original: Omega logo in the glass, on the crown and movement

Fully serviced August 2016

New high quality black genuine leather strap

Production year 1966 (serial number starts with 23)

Manual winding caliber 601

Case back reference: ST 135.0011 / ST 135.011

Central sweep-second hand

Case: Stainless steel

Case back: Screw-in

Crystal: Armoured hesalite (Omega signed)

Basic Info
Ref. No.	135.011
Movement	Manual winding
Case material	Steel
Bracelet material	Leather

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

Location	Netherlands, Rotterdam

Availability	Available immediately
Caliber
Movement	Manual winding
Movement/Caliber	601
Number of jewels	17
Case
Case material	Steel
Case diameter	34 mm
Thickness	10 mm
Material bezel	Steel
Glass	Plexiglass
Dial	White
Bracelet/strap
Bracelet material	Leather
Bracelet color	Black
Bracelet length	180 mm (110 mm / 70 mm)
Bracelet thickness	2 mm
Lug width	18 mm
Clasp	Buckle
Clasp material	Steel
Buckle width	16 mm
Others
Center Seconds, Only Original Parts

Omega Seamaster 600 (fully serviced) ref 135.011 cal. 601 vintage watch 1966