The Sea-Inspired Oceanus Manta S7000: A Memorable Marvel of Casio's High-End Craftmanship

Published: 04 Sep 2025
Two decades after its launch, Casio's premium Oceanus watch brand is finally beginning to make waves outside of Japan, with the Manta S7000 setting the pace.

The dawn of Casio’s Oceanus series dates back two decades, yet its popularity has largely remained within Japanese borders. Now, that narrative is changing as the latest generation of Oceanus’ high-end timepieces begins to make its mark on American watch enthusiasts. Encased within a delicately thin, lightweight titanium structure is the heart of Oceanus watches - a highly precise light-powered automatic quartz movement, synced with Bluetooth. This technologies ensure remarkable accuracy.

First off the Oceanus production line is the Manta S7000. Its distinct white dial, created via a unique layering technique, is aptly matched with dark blue counters. The robust yet lightweight titanium case encapsulating the dial measures 41.25 mm x 10 mm, and 46.5 mm lug-to-lug, weighing in at a mere 83 grams, without compromising on durability. The Manta S7000 boasts a satisfactory 100-meter water resistance, appropriate for a timepiece whose entire brand pays homage to the sea.

These timepieces are produced in Japan, each receiving high-quality finishes that communicate its upscale status. The Manta S7000, in particular, impresses with its superior Zaratsu and brushed hairline finishes to its case and bracelet. With its thin case, ultra-lightweight build, and smooth titanium caseback, the Manta S7000 maintains an incredible level of comfort when worn, versatile enough to suit both casual and formal contexts.

In terms of technology, this model embraces a solar-powered Japanese quartz movement, including automatic Bluetooth time calibration when connected to the Casio Watches app. This innovation guarantees precision timekeeping, with automatic individual day and date displays. In absence of a nearby phone, the Oceanus reverts to atomic radio-controlled time syncing via the waveceptor module. Thereby, the high-precision Japanese quartz movement ensures a timekeeping accuracy of -15/+15 seconds per month, even without signal calibration.

Embodying superb craftsmanship and cutting-edge technology, the Manta S7000 lives up to the top-end reputation of its parent brand - a promising legacy for the Oceanus series as it branches out into the global market.