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Seiko Prospex Speedtimer Green Dial

The Seiko Prospex Speedtimer Green Dial brings Seiko’s historic Speedtimer chronograph heritage into a modern sports-watch design. The collection draws inspiration from Seiko’s pioneering chronograph history and the racing culture associated with the original Speedtimer introduced in 1969.

This green-dial version adds a sophisticated color treatment to the sporty Speedtimer format, making it an appealing choice for collectors who want something more distinctive than a traditional black or white chronograph.

Deep Green Radial Dial

One of the defining characteristics of this Seiko Prospex Speedtimer Green Dial is its dark green dial with a lustrous radial finish. The textured effect creates subtle reflections as the watch moves under different lighting conditions.

The green dial is paired with contrasting hands, indexes, and chronograph elements, helping maintain the sporty and technical character of the Speedtimer design.

V192 Solar Movement

The watch is powered by Seiko’s V192 solar movement. Rather than relying on a conventional disposable battery, the solar system converts light into energy to keep the watch running.

Seiko specifies approximately six months of operating time when fully charged, with accuracy of approximately ±15 seconds per month. The movement also includes an overcharge-prevention function and power-reserve indication.

Solar Chronograph Function

The Seiko Prospex Speedtimer Solar Chronograph combines solar technology with a practical chronograph. The stopwatch function can measure elapsed time for up to 60 minutes in 1/5-second increments.

The dial also provides a 24-hour indication, small seconds, date display, and power-reserve indicator, creating a functional layout suited to an active sports-watch design.

39mm Stainless-Steel Case

The Speedtimer features a 39.0 mm stainless-steel case with a listed thickness of 13.3 mm and a lug-to-lug length of 45.5 mm.

This relatively compact case size gives the Seiko Prospex Speedtimer Green Dial a balanced wrist presence while retaining the strong proportions expected from a modern chronograph.

Curved Sapphire Crystal

Seiko equips this Speedtimer with curved sapphire crystal featuring an anti-reflective coating on the inner surface.

Sapphire offers excellent scratch resistance and helps protect the green dial during everyday use, while the curved profile contributes to the watch’s refined sports-watch appearance.

Tachymeter Bezel

The tachymeter function reinforces the Speedtimer’s motorsport-inspired character. It provides a traditional chronograph detail associated with measuring speed and complements the watch’s elapsed-time functionality.

The combination of the tachymeter scale, chronograph counters, and green dial gives the watch a distinctly performance-oriented appearance.

10-Bar Water Resistance

The Seiko Prospex Speedtimer Green Dial is rated to 10 bar water resistance, making it suitable for everyday activities and active lifestyles within the limits of its stated water-resistance rating.

Stainless-Steel Bracelet

The stainless-steel bracelet complements the case and creates a versatile look that works with casual clothing, business-casual outfits, and sporty styling.

The bracelet uses a three-fold clasp with push-button release, providing a secure and practical fit.

Key Features

• Seiko Prospex Speedtimer design
• Green radial-finish dial
• Solar-powered V192 movement
• 60-minute chronograph
• 1/5-second chronograph measurement
• Approximately 6-month power reserve
• ±15 seconds per month accuracy
• 39.0 mm stainless-steel case
• Curved sapphire crystal
• Inner anti-reflective coating
• Tachymeter function
• Date display
• 24-hour hand
• Small seconds hand
• Power-reserve indicator
• LumiBrite hands and indexes
• Stainless-steel bracelet
• Three-fold clasp with push-button release
• 10-bar water resistance
• Screw case back