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IWC Engineer IW328904 Grey Dial Automatic Watch

IWC Engineer IW328904 Grey Dial Automatic Watch

Regular price ¥39,200 JPY
Regular price ¥48,000 JPY Sale price ¥39,200 JPY
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Detailed Parameters
Basic information Parameters
Model:   IW328904
Series:   Engineer Series (Ingenieur, 2023 New Generation)
Case Material:  Titanium Metal (Grade 5 Titanium, Sandblasting Matte Treatment)
Dial color:  Rock gray (granular texture, inspired by engine cylinder block)
Mirror:  Double sided anti glare sapphire glass (flat design, thickness 2.5mm)
Strap:   Titanium H-shaped chain strap (quick release system, equipped with fine adjustment folding
buckle)
Waterproof performance:  100 meters (10 bar)

Movement specifications Parameters
Movement model:  IWC self-made 32111 model
Type:  Automatic winding mechanical movement
Power reserve:  120 hours (5-day chain)
Vibration frequency:  28800 times/hour (4Hz)
Technical upgrade:  Bilton on chain system (ceramic components)

Exterior design Parameters
Case diameter:  40mm (thickness 10.7mm)
Ear spacing:   20mm
Crown:  Screw in titanium crown (shoulder guard design)
Dial details: Rock gray granular texture dial

Engineering characteristics Parameters
Anti magnetic performance:  Soft iron inner shell+silicon escapement, compliant with ISO 764 anti magnetic standard
Ergonomic:  Each section of the chain belt weighs only 1.2g (the total weight is 60% lighter than the steel belt)
Durability Test:   Passed 15 extreme environmental tests (including -40 ℃ low temperature startup)

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