Seiko Cal. 4420 - 820

The Seiko 4420-820 represents an important milestone in Seiko's 1999 lineup. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-0740a354e979]

Also known as: UFO, Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1999

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