Seiko Cal. 4477 - 720

The 4477-720 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4477 caliber with 27j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-d26f98921a3e]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1979

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