This is a vintage Seiko Sportsmatic watch from 1965 with a 17 jewels movement and Diashock dial. It features a beautiful aftermarket black strap and is in working order.

• Condition: very good, works fine
• Movement Jewels: 17 jewels
• Water Resistance: not tested
• Case Diameter: 38mm

This is a 1965's Vintage Seiko Sportsmatic Calender 820 SEIKOSHA watch with a 17 jewels movement and Diashock dial. It has a waterproofing that was not tested but the watch is still working fine. The overall condition is very good as shown in the pictures.

• Condition: Very good, working order
• Movement Type: 17 jewels Japanese movement
• Water Resistance: Not tested
• Dial Size: 38mm (lug to lug)

This is a vintage Seiko Sportsmatic watch from 1965, featuring a 17 jewels movement and Diashock dial. It has a waterproof design but this feature hasn't been tested.

• Condition: Very good
• Movement type: 17 jewels Japanese
• Water resistance tested: no
• Dial size: 38mm (lug to lug)

This is a vintage Seiko Sportsmatic calendar watch with a 17 jewels movement and Diashock dial. It features a waterproof case, although this has not been tested.

• Condition: Very good
• Movement type: 17 jewels Japanese movement
• Water resistance: Not tested
• Size: 38mm lug to lug diameter

A vintage Seiko Sportsmatic Calender watch from the 1960s, featuring a 17 jewels movement and Diashock dial.

• Condition: Very good
• Movement: 17 jewels Japanese movement
• Size: 38mm lug to lug diameter
• Water Resistance: Not tested

A 1965 vintage Seiko Sportsmatic calendar watch with a 17 jewels movement and Diashock dial, featuring a waterproof case but untested for its capabilities. The watch has a lug-to-lug diameter of approximately 38mm and comes on an aftermarket black strap.

• Condition: Very good, working fine
• Movement Type: Japanese
• Jewels: 17
• Water Resistance: untested