Seiko Cal. 0770 - 989

The Seiko 0770-989 represents an important milestone in Seiko's 1993 lineup. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-f862ec54b72d]

Also known as: Monster, Sea Horse

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1993

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