Seiko Cal. 4579 - 620

The 4579-620 is a sought-after Solar piece from Seiko's golden era. Powered by the 4579 caliber with 27j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-43c4cbc7fd0d]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1978

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