Seiko Cal. 6618 - 552

Seiko 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

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