Seiko Cal. 4421 - 945

The Seiko 4421-945 represents an important milestone in Seiko's 1974 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-aee44b47ca1a]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1974

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