Seiko Cal. 6390 - 321

This Solar model from 1969 features a 45mm Hardlex-Coated Steel case. Powered by the 6390 caliber with 27j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-763d10b5bd7d]

Also known as: Panda, Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1969

Related Models

• Seiko 6310-213
• Seiko 6266-582
• Seiko 5633-817
• Seiko 7037-609
• Seiko 5280-480
• Seiko 5277-751
• Seiko 4412-278
• Seiko 4577-553
• Seiko 0730-238
• Seiko 7132-776
• Seiko 0798-420
• Seiko 3887-441