Published by on August 16, 2026 Case: Round black resin case with blue accent ring, integrated lugs, side pushers, and fixed bezel marked WORK OUT, WR, JOG & WALK, CALORIE, and 50M. Identifiers: Dial signed CASIO WORK OUT, WR, JOG & WALK, CALORIE; caseback engraved CASIO, 879, JC-10, STAINLESS STEEL BACK, WATER RESISTANT, JAPAN T.