Seiko Cal. 4522 - 677

The 4522-677 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-4f31401572d2]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1991

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