Seiko Cal. 4521 - 963

The 4521-963 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-ba3406047ca3]

Also known as: UFO, World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1980

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