Seiko Cal. 4577 - 442

The 4577-442 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4577 caliber with 19j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-321c6f085e86]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

19j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1971

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