Seiko Cal. 6618 - 385

The Seiko 6618-385 represents an important milestone in Seiko's 1989 lineup. Powered by the 6618 caliber with 19j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-d1e55831a993]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1989

Related Models

• Seiko 7037-972
• Seiko 7164-600
• Seiko 5612-102
• Seiko 7052-428
• Seiko 6362-392
• Seiko 6276-157
• Seiko 4445-154
• Seiko 5283-972
• Seiko 5229-462
• Seiko 3830-220
• Seiko 6199-110
• Seiko 4533-220