Seiko Cal. 7188 - 878

This Quartz model from 1975 features a 35mm Two-Tone case. Powered by the 7188 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-5f62543b514d]

Also known as: Monster, Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1975

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