Seiko Cal. 4551 - 721

The 4551-721 is a sought-after Quartz piece from Seiko's golden era. Powered by the 4551 caliber with 27j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-349a66c57eab]

Also known as: Tuna, Pogue

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1966

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