Seiko Cal. 7055 - 307

Released in 1985, the Cal. 7055 with design code 307 was part of Seiko's domestic market collection. Powered by the 7055 caliber with 30j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-cc154fece690]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1985

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