Seiko Cal. 6391 - 719

This Spring Drive model from 1965 features a 44mm Two-Tone case. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-75f27e16b3b2]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1965

Related Models

• Seiko 7133-699
• Seiko 4572-723
• Seiko 5680-300
• Seiko 6346-401
• Seiko 5649-804
• Seiko 6211-359
• Seiko 4517-213
• Seiko 5211-623
• Seiko 6352-756
• Seiko 6650-535
• Seiko 6669-570
• Seiko 5621-432