Seiko Cal. 6156 - 398

The Seiko 6156-398 represents an important milestone in Seiko's 1987 lineup. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-9770e9da2fd1]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1987

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