SEIKO PROSPEX SSC943P1 - Speedtimer Solar Chronograph

The Seiko Prospex SSC943P1 is a solar-powered Speedtimer chronograph inspired by classic motorsports and the spirit of 1960s racing stopwatches. Designed as part of the revived Speedtimer line, it combines vintage racing cues — including a tachymeter bezel — with modern solar technology and daily practicality.quar

Key Features

• Speedtimer Racing Sports Design — classic motorsport inspiration with a bold 1969 Speedtimer look.
• Solar-Powered Movement — Seiko Caliber V192 charges from both natural and artificial light, eliminating the need for frequent battery changes.
• Chronograph Function — measures elapsed time up to 60 minutes in 1/5-second increments with smooth and reliable operation.
• Tachymeter Bezel — fixed bezel with tachymeter scale for calculating speed based on elapsed time.
• Date Display — quick reference date window.
• LumiBrite Hands & Markers — enhanced visibility in low-light conditions.
• Black Leather Strap — punched calfskin leather with three-fold clasp and push buttons adds a vintage racing feel.

Specifications

• Model: SSC943P1
• Collection: Seiko Prospex Speedtimer
• Movement: Solar Quartz — Caliber V192
• Accuracy: ±15 seconds per month
• Power Reserve: Approx. 6 months when fully charged
• Functions:
• Hours, minutes, seconds
• Chronograph (60 min / 1/5 sec)
• 24-hour subdial
• Power reserve indicator
• Date
• Tachymeter

Case & Bracelet/Strap

• Case Material: Stainless Steel
• Strap: Black punched calfskin leather with three-fold clasp and push-button release
• Crystal: Curved Sapphire Crystal with anti-reflective coating
• Case Diameter: Approx. 41.4 mm
• Case Thickness: Approx. 13.0 mm
• Lug Width: 21 mm
• Weight: Approx. 89 g
• Water Resistance: 10 bar / 100 m
• Other: Screw case back, Tachymeter function

Colorway:

• Dial: Champagne / Ivory (light off-white) with black subdials
• Bezel: Dark green aluminium with white tachymeter markings
• Hands & Markers: Silver with LumiBrite
• Strap: Black leather
• Case: Silver stainless steel

The Seiko Prospex SSC943P1 Speedtimer Solar Chronograph is a stylish and practical sports chronograph — rooted in motorsport heritage yet equipped with Seiko’s reliable solar V192 movement. With its classic racing aesthetic, tachymeter bezel, and performance-oriented functions, it’s an excellent choice for riders, racers, and chronograph enthusiasts alike.