Digital saatler LCD veya OLED ekranda numerik zaman + multi-işlev gösterim. Casio Casiotron QW02 1974'te dünyanın ilk auto-calendar quartz digitalı; 1980'lerde Casio F-91W 25 dolar giriş seviyesi ile global market'i ele geçirdi. Digital'in core advantage: multi-işlev single device — stopwatch, countdown timer, alarm, world time, calculator, hatta tide tablo (Tide graph G-Shock).
Casio G-Shock 1983'te Kikuo Ibe tarafından designed, ilk DW-5000C 'absolute toughness' standardı kurdu. Bugün DW-5600 (square 'origin'), GA-2100 'CasiOak' ana-digi, MR-G titanyum lux $3-5k, MTG-B (Multi-Mission Time Graph) Bluetooth+Solar. F-91W 25 dolar still production, 35+ yıl best-seller. Pro Trek (triple sensor altimeter/barometer/compass), Edifice (chronograph dual-time).
Outdoor segment: Garmin Fenix 7X 800-1 dolark GPS + multi-sport + maps + safir cam. Suunto 9 Baro 700 dolar alternative. Smartwatch: Apple Watch Ultra OLED full color + titanyum 49mm + GPS + cellular, 799 dolar entry. Smart watch'lar digital'in technological evolution — full-color display + sensor suite + connectivity + customization. Pure digital tool watch G-Shock alanı; smart watch ayrı pazar.
