Seiko Cal. 4550 - 264

The Seiko 4550-264 represents an important milestone in Seiko's 1979 lineup. Powered by the 4550 caliber with 35j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-a5cbbebf5cc7]

Also known as: Tuna, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1979

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