Automatic Mechanical Chronograph
IWC Portugieser Chronograph IW371447
41mm · Black Dial · Silver Hands · 79350-Style Movement · Sapphire · AZ Factory
Product Overview
The IW371447 is a 41mm automatic mechanical chronograph featuring a black dial, applied Arabic numeral hour markers, and elegant silver-tone feuille-style hands. Its signature vertical layout places the chronograph counter at 12 o’clock and small seconds at 6 o’clock for a clean and balanced appearance.
CORE DESIGN
Classic Black Dial & Silver Hands
A black dial, silver-tone Arabic numerals, elegant feuille-style hands, and vertically aligned twin subdials create a refined and highly recognizable chronograph design.
Product Details
IW371447
Automatic Mechanical Chronograph
Approximately 41mm
Black Dial with Applied Arabic Numerals
Silver-Tone Feuille-Style Hands
12 O’Clock Chronograph / 6 O’Clock Small Seconds
Round Stainless-Steel Case
Polished Bezel
Black Alligator-Pattern Leather Strap
79350-Style Automatic Mechanical Chronograph
Sapphire
Suitable for daily splashes only. Not suitable for swimming or showering. Please refer to our Water Resistance Care Guide.
AZ Factory
Design & Movement
The polished stainless-steel case, black dial, silver-tone hands, and black alligator-pattern leather strap create an elegant look suitable for business, formal, and smart-casual wear. The restrained monochrome palette gives this Replica chronograph a refined and versatile wrist presence.
A 79350-style automatic mechanical movement provides self-winding operation and mechanical chronograph functions.
Wearing & Maintenance
- Avoid strong magnetic fields, severe impact, excessive heat, and corrosive chemicals.
- Keep the leather strap away from prolonged moisture, sweat, perfume, and water.
- Water protection is suitable for daily splashes only. It is not suitable for swimming or showering. Please refer to our Water Resistance Care Guide for proper care and usage.
- Periodic inspection of the movement, crown, chronograph pushers, seals, and strap is recommended.
Frequently Asked Questions
The black dial, silver-tone Arabic numerals, feuille-style hands, and vertical twin-subdial layout give the watch its classic chronograph appearance.
The 41mm case provides a balanced wrist presence suitable for business, formal, and everyday styling.
IW371447 · 41mm Black Dial Chronograph · Silver Hands · 79350-Style Automatic Mechanical Movement · Sapphire Crystal · AZ Factory








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