Frederique Constant Highlife Automatic COSC vs Casio G-Shock DW-5600 Square

Frederique Constant's design language vs Casio's approach

The Frederique Constant Highlife Automatic COSC features a Stainless Steel case at 41mm with Convex Sapphire protection. The Casio G-Shock DW-5600 Square offers Resin construction at 42.8mm (Square) with Mineral Glass. Both represent their brand's distinct design philosophy and heritage.

Automatic FC-303 (COSC) vs Quartz Module 3229

The Highlife Automatic COSC runs the Automatic FC-303 (COSC) (COSC-Certified Automatic, 38 Hours power reserve) at 28,800 vph (4 Hz) frequency. The G-Shock DW-5600 Square uses the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery reserve) at standard. The Highlife Automatic COSC edges ahead on power reserve.

41mm vs 42.8mm (Square) — different wrist presence

At 41mm, the Highlife Automatic COSC wears more compactly on smaller wrists compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 50m (5 ATM) vs 200m (20 ATM).

Casio sits in the lower tier

The Frederique Constant Highlife Automatic COSC sits at $1,500–$2,500 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the Highlife Automatic COSC uses Convex Sapphire with 38 Hours, against Mineral Glass and 2-Year Battery on the G-Shock DW-5600 Square. Service intervals are typically 5-7 years for both.

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

The Highlife Automatic COSC is rated to 50m (5 ATM) while the G-Shock DW-5600 Square handles 200m (20 ATM). The G-Shock DW-5600 Square offers superior water resistance.