Current Production
EFS-S641TMS
CASIO EFS-S641TMS-1A
Casio does not publish a price for this reference on its own site.
Case size50.1 × 44.5 × 13.3 mm
Case materialCarbon / Stainless steel
CrystalSapphire crystal with anti-reflective coating
Water resistance100 m
MovementSolar powered
Bracelet or strapGenuine Leather Band
Specifications as published by Casio →
Last verified Aug 18, 2026