Automatic Mechanical Chronograph Watch
IW371609 Black Dial 41mm Portugieser-Inspired Chronograph Watch
Black Dial · Vertical Twin Registers · 69355 Movement · Sapphire Crystal
Product Overview
The IW371609-style watch is a 41mm automatic mechanical chronograph featuring a black dial, stainless-steel case, slim polished bezel, and black alligator-pattern leather strap. Its clean proportions give the watch a refined balance between classic dress styling and mechanical chronograph character.
The dial features rhodium-tone Arabic numerals, feuille-shaped hands, a 30-minute counter at 12 o’clock, and small seconds at 6 o’clock. A railway-style precision track and central chronograph seconds hand complete the distinctive vertical twin-register layout.
CORE DESIGN
Classic Vertical Twin-Register Layout
The black dial, vertically aligned subdials, rhodium-tone Arabic numerals, feuille hands, and slim polished bezel give this Replica chronograph an elegant and recognizable Portugieser-inspired appearance.
Technical Specifications
| Specification | Details |
|---|---|
| Model | IW371609 |
| Series | Portugieser |
| Watch Type | Automatic Mechanical Chronograph Watch |
| Case Diameter | Approximately 41mm |
| Dial | Black Dial with Rhodium-Tone Arabic Numerals and Feuille-Shaped Hands |
| Chronograph Layout | 30-Minute Counter at 12 O’Clock · Small Seconds at 6 O’Clock |
| Case | Round Stainless-Steel Case with Slim Polished Bezel |
| Strap | Black Alligator-Pattern Leather Strap |
| Movement | 69355 Automatic Mechanical Chronograph Movement |
| Crystal | Sapphire Crystal |
| Water Resistance | Suitable for daily splashes only. Not suitable for swimming or showering. Please refer to our Water Resistance Care Guide. |
| Factory | ZF Factory |
69355 Movement & Dial Design
The automatic mechanical movement supports standard time display and chronograph timing, with a central chronograph seconds hand and a 30-minute counter at 12 o’clock.
The black dial keeps the layout clean and balanced, while the rhodium-tone numerals, feuille-shaped hands, precision minute track, and vertically aligned subdials give the watch its distinctive classical chronograph character.
Wearing and Maintenance
- Avoid severe impacts and prolonged exposure to strong magnetic fields.
- Stop the chronograph before using the reset function.
- 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.
- Keep the leather strap away from excessive moisture and clean the case gently with a soft dry cloth.
Frequently Asked Questions
1. What defines the design of this watch?
Its signature features are the black dial, rhodium-tone Arabic numerals, feuille hands, and vertically aligned chronograph registers at 12 and 6 o’clock.
2. Is the 41mm case suitable for everyday wear?
The 41mm case offers a balanced modern wrist presence and works well with business, formal, and smart-casual styling.
3. Can the watch be worn while swimming or showering?
No. The watch is suitable for daily splashes only and should not be worn while swimming or showering. Please refer to our Water Resistance Care Guide for more information.
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