Seiko Cal. 4420 - 747

Released in 1977, the Cal. 4420 with design code 747 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-2a5ed933ea2f]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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