Seiko Cal. 4597 - 320

The 4597-320 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4597 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-fdf615d14007]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

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