Seiko Cal. 6397 - 632

The Seiko 6397-632 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-6cbaf9edb3f8]

Also known as: UFO, Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1971

Related Models

• Seiko 6679-174
• Seiko 7129-542
• Seiko 7030-434
• Seiko 4567-899
• Seiko 4570-289
• Seiko 4477-498
• Seiko 5251-543
• Seiko 6223-872
• Seiko 5278-681
• Seiko 4540-871
• Seiko 5299-513
• Seiko 6234-356