Bulova Classic Automatic 98A139 vs Casio G-Shock DW-5600 Square

Bulova's design language vs Casio's approach

The Bulova Classic Automatic 98A139 features a Black Ion-Plated Stainless Steel case at 45mm with Domed Crystal 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, 21 Jewels vs Quartz Module 3229

The Classic Automatic 98A139 runs the Automatic, 21 Jewels (Self-Winding Automatic, standard power reserve) at standard frequency. The G-Shock DW-5600 Square uses the Quartz Module 3229 (Casio Digital Quartz (Battery), 2-Year Battery reserve) at standard. The G-Shock DW-5600 Square offers a longer power reserve.

45mm vs 42.8mm (Square) — different wrist presence

At 45mm, the Classic Automatic 98A139 has a bolder wrist presence compared to the G-Shock DW-5600 Square at 42.8mm (Square). Water resistance differs: 30m (3 ATM) vs 200m (20 ATM).

Casio sits in the lower tier

The Bulova Classic Automatic 98A139 sits at $250–$500 and the Casio G-Shock DW-5600 Square at $50–$100. On the specs that outlast any price: the Classic Automatic 98A139 uses Domed Crystal with a standard reserve, against Mineral Glass and 2-Year Battery on the G-Shock DW-5600 Square. Service intervals are typically 5-7 years for both.

30m (3 ATM) vs 200m (20 ATM)

The Classic Automatic 98A139 is rated to 30m (3 ATM) while the G-Shock DW-5600 Square handles 200m (20 ATM). The G-Shock DW-5600 Square offers superior water resistance.