Seiko Cal. 6390 - 682

Released in 1969, the Cal. 6390 with design code 682 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-7360ba748b9e]

Also known as: Rally, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1969

Related Models

• Seiko 4512-678
• Seiko 6360-883
• Seiko 7193-308
• Seiko 4558-258
• Seiko 5284-682
• Seiko 7062-320
• Seiko 6379-255
• Seiko 4421-284
• Seiko 6627-772
• Seiko 5291-276
• Seiko 5237-379
• Seiko 7081-536