Seiko Cal. 6389 - 120

The Seiko 6389-120 represents an important milestone in Seiko's 1978 lineup. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-1b51471f85e2]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

Related Models

• Seiko 7111-571
• Seiko 6626-804
• Seiko 3888-654
• Seiko 4513-365
• Seiko 3845-337
• Seiko 4459-856
• Seiko 7015-199
• Seiko 4598-864
• Seiko 3860-658
• Seiko 5293-104
• Seiko 3814-602
• Seiko 5227-260