Seiko Cal. 4577 - 509

The 4577-509 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-f781d025ceb8]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1980

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