[Status]
Operation...Good
There are some scratches and wear.
*Please see the photos for reference.
[Accessories]
Everything shown in the photos.
[Product Information]
• Model: CASIO OCEANUS OCW-S1400-1AJF.
• Series: Oceanus Manta OCW-S1400 Series.
• Nickname: “Manta Blue”.
• Type: Premium Tough Solar Multi Band 6 Titanium Chronograph.
• Release era: 2009.
• Market: Japanese Domestic Market (JDM).
• Design inspiration: Developed around the Oceanus philosophy of “Elegance, Technology,” combining ultra-light titanium construction, radio-controlled accuracy, and refined ocean-inspired styling.
Case & build
• Case size: approx. 42.0–43.0 mm diameter.
• Thickness: approx. 11.0 mm.
• Lug width: 20–21 mm.
• Weight: approx. 90–100 g.
• Case / bezel: Titanium with titanium-carbide hard coating.
• Band: Solid titanium bracelet.
• Glass: Sapphire crystal with anti-reflective coating.
• Water resistance: 100 m / 10 bar.
• Slim Manta case architecture.
• Lightweight full-titanium construction for exceptional comfort.
• Premium Zaratsu-style polishing and brushed finishing typical of the Oceanus Manta collection.
Design concept
• Introduced as the successor to the OCW-S1200 and the first Manta model to feature a new 5-motor layout.
• Designed to achieve a cleaner, sportier chronograph dial while maintaining the slim profile that defines the Manta collection.
• Features Oceanus' signature blue accents inspired by reflections of sunlight on the ocean.
• Combines high-precision Japanese technology with luxury-watch finishing.
• Titanium construction provides outstanding strength, corrosion resistance, and light weight.
• The dial balances chronograph functionality, world-time capability, and elegant readability.
• Developed as a premium business and travel watch for everyday use.
• Widely regarded as one of the foundational modern Oceanus Manta models.
Functions
• Tough Solar charging.
• Multi Band 6 radio-controlled synchronization.
• World Time.
• Dual Time display.
• Chronograph.
• Stopwatch.
• Date display.
• Auto-calendar.
• Automatic hand-position correction.
• Power-saving mode.
• Battery level indicator.
• Radio signal reception status display.
• Automatic time calibration via atomic radio signals from Japan, China, Europe, the UK, and North America.
Power
• Module: 5161.
• Tough Solar rechargeable system.
• Solar-powered quartz movement.
• Approx. 5 months operation after full charge without further light exposure.
• Approx. 23 months in power-saving mode.
• Accuracy: ±15 seconds/month without radio synchronization.
• Automatic atomic timekeeping through Multi Band 6 reception.
Key highlights
• One of the most important early Oceanus Manta models.
• Introduced the new 5-motor movement layout that enabled a cleaner and more modern dial design.
• Full titanium construction offers luxury-watch comfort while remaining remarkably lightweight.
• Sapphire crystal, Tough Solar charging, and Multi Band 6 synchronization provide a virtually maintenance-free ownership experience.
• Signature Oceanus blue accents became a defining design element for later Manta generations.
• Slim profile makes it suitable for both business attire and everyday wear.
• Frequently praised by enthusiasts for offering Grand Seiko-level finishing and technology at a fraction of the price.
• Considered one of the best-value vintage Oceanus Manta references on the secondary market today.
Many collectors consider the OCW-S1400-1AJF one of the defining Oceanus Manta models because it successfully combines lightweight titanium construction, solar-powered atomic accuracy, elegant Japanese finishing, and the iconic Oceanus blue aesthetic that helped establish the modern identity of the Manta series.