Seiko Cal. 6621 - 157

The Seiko 6621-157 represents an important milestone in Seiko's 1988 lineup. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-0b74e175d602]

Also known as: Bullhead, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1988

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