Seiko Cal. 4579 - 420

The 4579-420 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4579 caliber with 28j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-308b4e01f67f]

Also known as: Turtle, Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1972

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