Seiko Cal. 4420 - 783

The 4420-783 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-200538755e85]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1979

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