Seiko SSB446 Chronograph

A sporty chronograph with a bold gold-accented case and a lightweight silicone strap, blending luxury styling with everyday practicality.

Key Features

• Quartz movement (Caliber 8T63) with ±15 seconds/month accuracy

• Chronograph function (up to 60 minutes, 1/5-second increments)

• 24-hour hand & small seconds sub-dial

• Date display

• Tachymeter scale for speed/time measurement

• 100m water resistance (10 bar)

• Scratch-resistant sapphire crystal

• LumiBrite on hands and indexes for night visibility

Case & Build

• Case Material: Gold-plated stainless steel

• Case Diameter: 43.0 mm

• Thickness: 11.6 mm

• Lug-to-Lug: 50.4 mm

• Weight: 98 g (lighter than full-steel models thanks to silicone strap)

• Lug Width: 22 mm

• Screw case back

• Buckle closure for secure fit

Dial & Visibility

• Dial Color: Black

• Sapphire crystal for clear readability and durability

• Tachymeter bezel for functional styling

• LumiBrite-treated hands and indexes for excellent visibility in all lighting conditions

Durability

• Water Resistance: 100m (swimming/snorkeling, not for diving)

• Magnetic Resistance: 4,800 A/m

• Silicone strap for comfort and resistance to sweat/moisture

• Scratch-resistant sapphire crystal with solid case construction