Seiko Cal. 6618 - 552

The Seiko 6618-552 represents an important milestone in Seiko's 1981 lineup. Powered by the 6618 caliber with 19j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-cf0f30afe6e8]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

Related Models

• Seiko 6653-957
• Seiko 4554-710
• Seiko 5249-348
• Seiko 6293-269
• Seiko 0789-567
• Seiko 0732-158
• Seiko 0765-959
• Seiko 3842-450
• Seiko 4437-743
• Seiko 0743-830
• Seiko 7075-265
• Seiko 6286-731