Patek Philippe Nautilus Mid Size Quartz Stainless Steel Ref. 3900/001

DETAILS
Manufacturer: Patek Philippe
Model: Nautilus
Reference Number: 3900/001
Movement: Quartz
Condition: Mint
Gender: Men's/unisex
Time Period: 1987
Retail / Compare-At Price: n/a collector's item
Our Best Price: $27,500

CALIBER
Movement: -
Caliber: E 23 SC
Jewels: 7

CASE
Case Material: Stainless Steel
Case Diameter: 33 m x 35 mm
Thickness: 7 mm
Waterproof: 390 ft./120 m.
Water Resistance: 12 ATM
Material Bezel: Fixed stainless steel 
Glass: Sapphire crystal
Dial: Black/blue ribbed
Dial Numerals: No numerals, yellow gold applied and luminescent coating baton hour indices, perimeter gold dot minute/second scale around the outer rim

BRACELET / STRAP
Bracelet color: Stainless steel 
Bracelet Material: Stainless steel
Clasp: Folding clasp
Clasp material: Stainless steel

FUNCTIONS
Hours, minutes, center sweep seconds, date aperture at 3 o’clock

OTHERS
Cushion-shaped case
18K white gold applied baton-shaped hands with luminescent coating, stick-shaped center seconds hand
Patek Philippe integral stainless steel link bracelet  
Quick set
Stainless steel pull/push crown with Calatrava cross engraving with a partial crown guard
Solid two-body cushion-shaped case, hooded lugs, bracelet, and flat octagonal bezel, are polished/brushed
Stainless steel solid screw down case back
The stainless steel bracelet is in immaculate condition
This Patek Philippe Nautilus Mid Size 3900/001 has an electronic Patek Philippe caliber E23 SC quartz movement, with a 1.55 V silver oxide quartz battery with quartz standardization. It is constructed with 80 components, and oscillates at a frequency of 32,768 vph (4.5 Hz).
Case, dial and movement are all signed.
This model was introduced by Patek Philippe in 1976. 
Complete (Patek Philippe period leather box, Patek Philippe certificate of authenticity dated 1987, Patek Philippe service/overhall invoice dated 2019)