Casio G-Shock DW-5600 Square vs Zenith Chronomaster El Primero

Casio's design language vs Zenith's approach

The Casio G-Shock DW-5600 Square features a Resin case at 42.8mm (Square) with Mineral Glass protection. The Zenith Chronomaster El Primero offers Stainless Steel construction at 38mm with Domed Sapphire. Both represent their brand's distinct design philosophy and heritage.

Quartz Module 3229 vs Automatic El Primero 3600 (5Hz)

The G-Shock DW-5600 Square runs the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery power reserve) at standard frequency. The Chronomaster El Primero uses the Automatic El Primero 3600 (5Hz) (In-House Automatic Chronograph Manufacture, 60 Hours reserve) at 36,000 vph (5 Hz). The Chronomaster El Primero offers a longer power reserve.

42.8mm (Square) vs 38mm — different wrist presence

At 42.8mm (Square), the G-Shock DW-5600 Square has a bolder wrist presence compared to the Chronomaster El Primero at 38mm. Water resistance differs: 200m (20 ATM) vs 50m (5 ATM).

Casio sits in the lower tier

The Casio G-Shock DW-5600 Square sits at $50–$100 and the Zenith Chronomaster El Primero at $5,000–$10,000. On the specs that outlast any price: the G-Shock DW-5600 Square uses Mineral Glass with 2-Year Battery, against Domed Sapphire and 60 Hours on the Chronomaster El Primero. Service intervals are typically 5-7 years for both.

200m (20 ATM) vs 50m (5 ATM)

The G-Shock DW-5600 Square is rated to 200m (20 ATM) while the Chronomaster El Primero handles 50m (5 ATM). The G-Shock DW-5600 Square is better suited for water activities.