Seiko Cal. 4420 - 132

Released in 1987, the Cal. 4420 with design code 132 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-41acaccf38dd]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1987

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