The Seiko Actus SS 6306-8010U is a vintage automatic watch from 1977 that showcases Seiko's craftsmanship and attention to detail. The watch's original dial is signed 'JAPAN 6306-8010U,' adding to its authenticity and collectibility.

• Condition: Used
• Movement: 21 jewels
• Case size: 36.5mm diameter
• Crystal material: Original glass

This is a classic and vintage style watch with a combination of the Actus and Silverwave models. It features a stainless steel case, blue houndstooth pattern on the dial, and a bold calendar box.

• Condition: excellent, serviced movement
• Case size: 37mm (diameter), 41mm (lug to lug), 10mm (thickness)
• Strap material: Seiko stainless steel
• Water resistance: waterproof performance (no specific depth rating mentioned)