Seiko Cal. 6318 - 650

The Seiko 6318-650 represents an important milestone in Seiko's 1981 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-5be0bc64e39c]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1981

Related Models

• Seiko 6188-460
• Seiko 6168-258
• Seiko 6663-135
• Seiko 4580-457
• Seiko 5679-541
• Seiko 0738-339
• Seiko 6224-590
• Seiko 7139-580
• Seiko 5227-448
• Seiko 6630-982
• Seiko 4464-866
• Seiko 7141-975