Seiko Cal. 6618 - 981

This Hand-Winding model from 1989 features a 41mm Gold-Plated case. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-486b41a7f562]

Also known as: Sea Horse, Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1989

Related Models

• Seiko 5651-474
• Seiko 6254-268
• Seiko 7174-179
• Seiko 6256-186
• Seiko 5248-636
• Seiko 0748-102
• Seiko 6180-587
• Seiko 4443-742
• Seiko 5245-881
• Seiko 6277-854
• Seiko 5615-747
• Seiko 7155-492