This Seiko Time Sonar Ref. 7015-6010 is a unique vintage chronograph from the Daini division, introduced in 1976. It features a transparent dial showcasing the calendar disk and a smoked display case back, offering a glimpse of its iconic Cal.7015A movement.

• Condition: Pre-owned with minor scratches and a small dent on the case
• Movement Type: Self-Winding
• Dial Color: Transparent brown
• Case Material: Stainless Steel

This Seiko Time Sonar Ref. 7015-6010 is a unique piece from the 1970s featuring a transparent dial with quick-set calendar mechanism and a 'smoked' display case back.

• Condition: Great condition, minor marks on crystal and scratches on caseback
• Case dimensions: 38 x 43 mm diameter, 14mm Height, 18mm Lug Width
• Crystal material: Mineral glass
• Case back material: Screw-in Stainless Steel