Seiko Cal. 4530 - 391

The 4530-391 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4530 caliber with 34j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-2bcd09c1031e]

Also known as: Sumo, Rally

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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