Seiko Cal. 6391 - 597

The Seiko 6391-597 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-2c7f4fc0b1e8]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

Related Models

• Seiko 6383-473
• Seiko 6254-685
• Seiko 6657-766
• Seiko 5291-333
• Seiko 7019-522
• Seiko 5634-927
• Seiko 3874-237
• Seiko 3832-161
• Seiko 6235-910
• Seiko 6359-572
• Seiko 6637-153
• Seiko 6259-527