Seiko Cal. 7187 - 707

The 7187-707 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7187 caliber with 21j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-24373563e5b5]

Also known as: UFO, Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1990

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