Seiko Cal. 6318 - 613

The Seiko 6318-613 represents an important milestone in Seiko's 1977 lineup. Powered by the 6318 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-b7de96df3f19]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1977

Related Models

• Seiko 3883-154
• Seiko 7073-493
• Seiko 6187-534
• Seiko 3828-108
• Seiko 5630-669
• Seiko 7095-814
• Seiko 6376-783
• Seiko 0724-905
• Seiko 4549-233
• Seiko 6642-551
• Seiko 4449-916
• Seiko 6292-612