Seiko Cal. 5683 - 649

The Seiko 5683-649 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-b8abcf35d685]

Also known as: Navigator, Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

35j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1987

Related Models

• Seiko 4426-289
• Seiko 6197-694
• Seiko 4455-281
• Seiko 5238-274
• Seiko 4452-282
• Seiko 3863-462
• Seiko 0784-211
• Seiko 5621-620
• Seiko 5293-988
• Seiko 6249-107
• Seiko 7092-830
• Seiko 6668-532