Introduced in 1969, the Seiko Speedtimer was a major milestone in chronograph innovation, and marked the beginning of an important decade of the Speedtimer in its prime. The 70s were famed for many things: fashion, music, but also motorsports. Designed under the theme of ‘Classic Motorsports’, the ‘Circuit Race’ Speedtimer is inspired by vintage circuit racing – when cars would rally with extraordinary speed and excitement.

Encased in a black aluminium bezel with gold-coloured plating and a sapphire crystal glass, this chronograph features a black dial, with hour and minute hands that resemble the original Speedtimer from 1969. With 12 spots of Lumibrite, this timepiece is designed to be legible in darker conditions. With a chronograph second scale around the dial ring, this piece also features a Tachymeter on the bezel for measuring speed – an iconic element of the original Seiko Speedtimer.

Featuring a solar-powered V192, this Speedtimer chronograph is accurate to +/- 15 seconds per month, whilst maintaining a full charge of 6 months.

Prospex is a combination of the words ‘Professional’ and ‘Specifications.’ Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.

• Accuracy:-15/+15 seconds per month
• Calibre:V192
• Movement Type:Solar
• Power Reserve:Operating for approx. 6 months (when fully charged)
• Dial Colour:Black
• LumiBrite:Lumibrite on hands and indexes
• Case Material:Stainless Steel
• Strap/Bracelet:Stainless Steel
• Clasp:Three-fold clasp with push button release
• Case Diameter:41.4mm
• Case Thickness:13.0mm
• Case Length:45.9mm
• Lug Width:21.0mm
• Water Resistance:10 bar
• Weight:164.0g
• Crystal Coating:Anti-reflective coating on inner surface
• Crystal Type:Curved Sapphire Crystal
• Other Specifications:Screw case back, Tachymeter function
• Watch Function:24-hour hand, Chronograph up to 60 minutes in 1/5 second increments, Date display, Equipped with small seconds hand, Overcharge prevention function, Power reserve indicator
• Magnetic Resistance:4,800 A/m