Steel, Black Dial with Gold Print

Ingenieur Officially Certified Chronometer 3521 — Steel, Black Dial with Gold Print

Undated

Steel with black dial and gold-coloured text.

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Identifying details

Date
Date display.
Cyclops
Magnifying lens over the date.
Five-hole bezel
Round screwed bezel with five recesses for the opening tool (Genta-era Ingenieur).
Soft-iron inner case
Soft-iron inner case and dial forming a cage that shields the movement from magnetic fields.

Variants of 3521

Switch between variants of this reference. The current variant is highlighted.
Variant	Production
Steel, Black Dial with Gold PrintCurrent	Undated
Steel and Gold	Undated

Case & movement

Reference: 3521
Production: Undated
Case material: Stainless steel
Case diameter: 34 mm
Water resistance: 120 m
Movement: Automatic
Chronometer: Yes
Date: Yes

More specifications (1)

Caliber

Movement

IWC 887

Jaeger-LeCoultre-made ultra-thin automatic based on the JLC 889, with platinum rotor; as 887 (1993–95) and 8872 (1995–2001) it powers the COSC-certified Ingenieur 3521. Lots record it as 887/2.

Automatic · Introduced 1993 · 28,800 vph · 36 jewels · 40 h reserve

Ingenieur Officially Certified Chronometer 3521 — Steel, Black Dial with Gold Print

Identifying details

Variants of 3521

Case & movement

Movement

Suggest a correction

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Ingenieur Officially Certified Chronometer 3521 — Steel, Black Dial with Gold Print

Identifying details

Variants of 3521

Case & movement

Movement

Dial, bezel & hands