Seiko Cal. 4577 - 392

The 4577-392 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4577 caliber with 23j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-93ff4901afd3]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1981

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