Seiko Cal. 4521 - 803

The 4521-803 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-05ca26da1fb0]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1985

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