SSB421P1

Seiko Conceptual Black Dial Chronograph with Nylon Strap SSB421P1

The SSB421P1 is a Seiko Conceptual men’s chronograph featuring a black dial with luminous hands and markers, a nylon strap for casual durability, and precise quartz movement. Compact yet functional, it offers chronograph timing, date display, and 100 m water resistance for versatile everyday wear.

• Case Diameter: 39.5 mm
• Case Thickness: 11.6 mm
• Lug-to-Lug: 46.6 mm
• Band Width: 20 mm
• Strap Length: 140–210 mm (approx)
• Case Material: Stainless steel
• Bezel Type: Fixed stainless steel bezel
• Dial Color: Black with LumiBrite hands and markers
• Strap Material: Nylon strap with three‑fold clasp and push‑button release
• Glass: Sapphire crystal
• Water Resistance: Water Resistant 100m
• Movement / Power: Quartz Caliber 8T67, ±15 seconds per month, approx. 3 years battery life
• Functions: Chronograph up to 12 hours in 1/5‑second increments, small seconds, date display