Seiko Essentials SUR557 Quartz Black Dial 38mm

Caliber Number: 6N52

Movement Type: Quartz

Precision: ±15 seconds per month

Battery life: Approx. 3 years

Case Thickness: 8.5mm

Case Diameter: 38.5mm

Lug-to-lug: 44.5mm

Crystal: Sapphire crystal

LumiBrite: Lumibrite on hands and index(es)

Distance between lugs: 20mm

Water Resistance: 10 bar

Magnetic Resistance: 4,800 A/m

Weight: 134.0g