Seiko Cal. 7121 - 188

The Seiko 7121-188 represents an important milestone in Seiko's 1977 lineup. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-fb2ea67a6111]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

35j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1977

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