Seiko Cal. 5255 - 770

The 5255-770 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5255 caliber with 30j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-50f475ab2e41]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1979

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