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Casio
Oceanus
$1,114
Casio Oceanus OCW-S400-2AJF "Manta", the brand's premium titanium line combining radio-controlled timekeeping with slim, dressier proportions.
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- Collection
- Oceanus
- Reference number
- OCW-S400-2AJF
- Case material
- Titanium
- Case diameter
- 41.3 mm
- Case thickness
- 9.2 mm
- Lug width
- 20 mm
- Lug-to-lug
- 46.5 mm
- Movement
- Quartz
- Caliber
- 5728
- Water resistance
- 100 m
- Release year
- 2003
- Country of origin
- Japan
Wrist size visualizer
Case diameter and lug-to-lug drawn to scale (4px per mm) against a millimeter ruler — hold a ruler or tape measure up to the screen to compare.
mm circumference
Lug-to-lug (46.5mm) is approximately 86% of your estimated flat wrist width (54mm). Well-proportioned for your wrist.
Price History
Up 71.4% ($464) since 10/3/2026.
Low $650 · High $1,114
- 10/5/2026$1,114▲ $464
- 10/3/2026$650
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