Seiko Cal. 4421 - 717

The Seiko 4421-717 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-8254f19f21a7]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

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