IWC Ingenieur IW3784-02

45.5mm · Rose Gold · Caliber 89360 · 120m

Big Ingenieur Chronograph Rose Gold / Black / Strap

Brand: IWC
Full reference: IW3784-02
Also written as: IW378402
Collection: Ingenieur
Case diameter: 45.5mm
Case thickness: 14.5mm
Case material: Rose Gold
Crystal: Sapphire
Water resistance: 120m
Caliber: 89360
Dial color: Black

Related references — same collection

Shared specifications help discovery; these links do not assert a predecessor or successor relationship.

IWC

Ingenieur

IW3784-01

45.5mmStainless Steel

IWC

Ingenieur

IW3249-03

35.1mmRose Gold

IWC

Ingenieur

IW324903

35mmRose Gold

IWC

Ingenieur

IW328702

40mmRose Gold

Compare specifications

Specification	IW3784-02	IW3784-01	IW3249-03	IW324903	IW328702
Case diameter	45.5mm	45.5mm	35.1mm	35mm	40mm
Case material	Rose Gold	Stainless Steel	Rose Gold	Rose Gold	Rose Gold
Water resistance	120m	120m	120m	100m	100m
Movement	—	—	—	Automatic	Automatic
Caliber	89360	89360	47110	47110	32111
Power reserve	—	—	—	42 hours	120 hours

Sources & record notes

Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. WatchBase.

WatchBase ↗ · 2026-09-22 10:22:37 JST

WatchBase · IWC IW3784-02

Original collection: Ingenieur

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Corrections and data limitations