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IWC Schaffhausen Ingenieur Perpetual Calendar Digital Date-Month

IWC Schaffhausen Ingenieur Perpetual Calendar Digital Date-Month

AutomaticTitanium

Ref. IW381802

Collection: IngenieurCase size: 45mmMovement: 89801

The IWC Ingenieur Perpetual Calendar Digital Date-Month, reference IW381802, is a chronograph with a 45 mm titanium case. The watch has a perpetual calendar; at 17.4 mm thick, the case has a screw-down crown. Self-winding calibre 89801 has a 68-hour power reserve, 51 jewels and 474 components. The grey dial, covered by convex sapphire glass with antireflective coating on both sides, has a large double-digit date display, small hacking seconds and a flyback function. A black calf leather strap is on the watch. The case's water-resistance rating is 120 metres. The movement is decorated with Côtes de Genève and perlage.

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Last updated 10 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

CASE

Diameter

45mm

Thickness

17.4mm

Lug Width

22mm

Case Material

Titanium

Water Resistance

120m

Crystal

Sapphire Crystal

MOVEMENT

Movement Type

Automatic

Caliber

89801

Power Reserve

68h

Frequency

28,800 vph (4 Hz)

Jewels

51 jewels

DIAL

Dial Color

Grey

BRACELET/STRAP

Bracelet/Strap

Calf Skin

FEATURES & COMPLICATIONS

ChronographDateDisplay backFlybackMonthPanorama datePerpetual calendarScrew-Down CrownSmall seconds

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