Seiko Cal. 4521 - 911

Released in 1979, the Cal. 4521 with design code 911 was part of Seiko's domestic market collection. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-eed026aca280]

Also known as: Goldfeather, Navigator

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Black

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1979

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