Seiko Cal. 7055 - 436

The 7055-436 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7055 caliber with 36j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-8f6821cedbc2]

Also known as: Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1991

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