Ingenieur Perpetual Calendar 41mm IW344903

An exquisite icon of horological mastery, the Ingenieur Perpetual Calendar 41mm IW344903 represents the finest tradition of Swiss watchmaking. Crafted by renowned maison IWC Schaffhausen, this distinguished timepiece combines a sculptured Stainless Steel case, 41mm with a precision-engineered Swiss Mechanical Automatic (Self-Winding), delivering commanding wrist presence and timeless sophistication.

Timepiece Highlights & Technical Specifications

• Maison / Brand: IWC Schaffhausen
• Collection: Ingenieur
• Model Reference: lective
• Case Material: Stainless Steel
• Case Dimensions: 41mm
• Dial: Black Dial
• Movement: Swiss Mechanical Automatic (Self-Winding)
• Condition: Brand New / 100% Authentic Swiss Luxury Timepiece
• Inclusions: Accompanied by CJ Charles Presentation Gift Box & Certified Documentation

Horological Legacy & Wrist Presence

An avant-garde icon of modern industrial design, featuring an instantly recognizable geometric silhouette and integrated bracelet. Its timeless proportions and meticulous finishing make it one of the most celebrated grails in horological history.

Manufacturer & Technical Details

"Blue, Stainless steel bracelet, Stainless steel Case, Automatic winding, Diameter 41.6 mm, Black dial, Strap width 14.0 mm CASE Stainless steel Case Diameter 41.6 mm Height 13.3 mm See-through sapphire glass back Water resistance 10.0 bar MOVEMENT 82600 Calibre IWC-manufactured movement Automatic winding 60 hours Power Reserve Frequency 28'800 VPH (4 Hz) 309 Components 46 Jewels FEATURES Pellaton automatic winding Perpetual calendar with displays for the date, day, month, leap year and perpetual moon phase Sapphire glass, convex, antireflective coating on both sides Glass secured against displacement by drop in air pressure"

The CJ Charles Jewelers Horology Promise

Serving luxury watch collectors in La Jolla, San Diego and worldwide since 1988, CJ Charles Jewelers is an authorized retailer and specialist in Swiss haute horlogerie. Every pre-owned timepiece is thoroughly inspected, timed on digital vibrograf machines, and certified by our in-house master watchmakers. Your timepiece arrives in our signature luxury gift packaging, backed by complimentary fully insured white-glove shipping and dedicated concierge support.

Specifications above are taken directly from this piece's catalog data.

Complimentary insured shipping on every U.S. order — no minimum, no code. We ship via UPS Ground, FedEx Home Delivery, USPS Priority, fully insured, with signature confirmation on high-value pieces.

Free 30-day returns: unworn pieces in original packaging can be returned within 30 days of delivery for a full refund — we email you a prepaid, insured return label.

Full shipping policy · Full returns policy

Every piece we sell is guaranteed genuine — inspected before dispatch, with serial numbers intact and documentation as described. If any piece were ever proven otherwise, we refund you in full.

Read our Authenticity Promise