Seiko Cal. 4421 - 651

The 4421-651 is a sought-after Automatic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-0098c2690c7c]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1977

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