Seiko Cal. 4579 - 221

The 4579-221 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4579 caliber with 35j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-01a58d658fa1]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

35j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1985

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