Seiko Cal. 6347 - 654

This Spring Drive model from 1983 features a 40mm Hardlex-Coated Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-05b4e80fd46e]

Also known as: UFO, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1983

Related Models

• Seiko 7090-532
• Seiko 6359-470
• Seiko 7045-285
• Seiko 5291-363
• Seiko 6324-124
• Seiko 7119-112
• Seiko 4582-720
• Seiko 4485-994
• Seiko 7148-139
• Seiko 4579-582
• Seiko 5630-922
• Seiko 6347-972