Seiko Cal. 6351 - 668

This Spring Drive model from 1967 features a 38mm Two-Tone case. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-f9c546b63693]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

Related Models

• Seiko 6312-582
• Seiko 6389-631
• Seiko 5654-620
• Seiko 6122-669
• Seiko 6175-812
• Seiko 7031-976
• Seiko 4486-224
• Seiko 3879-902
• Seiko 3873-714
• Seiko 6318-597
• Seiko 0743-826
• Seiko 4594-901