Apple Watch Series 1

An upgraded dual-core S1P SiP delivers up to 50 percent faster performance to the original Apple Watch form factor at an accessible $269 entry point.

Generation delta

What changed?

Apple S1P dual-core SiP
Replaces the single-core S1 with a dual-core processor and upgraded GPU, delivering up to 50 percent faster system responsiveness and app launching under watchOS 3.
Silicon

Repositioned entry-level pricing
Lowered the Apple Watch starting price from $349 to $269, broadening market accessibility.
Software
Casing lineup consolidation
Available strictly in lightweight anodized aluminum cases (Space Gray, Gold, Rose Gold, Silver) with Ion-X glass and composite backs; stainless steel and gold collections were omitted from Series 1.
Design

Apple S1 single-core processor
Retired from the lineup due to performance constraints running modern watchOS software.
Silicon

IPX7 splash resistance under IEC 60529
Maintained splash-resistant rating (safe for hand washing and rain, but not rated for swimming), in contrast to same-generation Series 2's 50-meter water resistance.
Product
450-nit OLED Retina display with Force Touch
Preserved the first-generation display luminance rather than adopting Series 2's 1,000-nit panel.
Display
iPhone-dependent GPS tracking
Maintained reliance on paired iPhone for location, distance, and pace data during outdoor workouts.
Product
18-hour all-day battery life
Preserved standard 18-hour daily operational runtime.
Power

Technology DNA

High-density display branding introduced on iPhone 4 and later expanded across product families.

Canonical predecessor