Seiko Cal. 6390 - 888

This Spring Drive model from 1968 features a 45mm Stainless Steel case. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-359e6ec57486]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1968

Related Models

• Seiko 7043-993
• Seiko 3867-327
• Seiko 3887-923
• Seiko 6279-303
• Seiko 6257-890
• Seiko 6321-171
• Seiko 6125-723
• Seiko 5683-306
• Seiko 5275-394
• Seiko 6368-153
• Seiko 4429-140
• Seiko 6299-504