Seiko Cal. 6318 - 891

This Spring Drive model from 1981 features a 38mm Two-Tone case. Powered by the 6318 caliber with 28j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-fa1c8e3b667a]

Also known as: UFO, Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1981

Related Models

• Seiko 6620-486
• Seiko 7137-832
• Seiko 5217-244
• Seiko 6111-199
• Seiko 3815-687
• Seiko 4494-105
• Seiko 6243-617
• Seiko 4585-273
• Seiko 0717-959
• Seiko 4538-959
• Seiko 6299-515
• Seiko 7165-453