Seiko Cal. 4450 - 217

The Seiko 4450-217 represents an important milestone in Seiko's 1979 lineup. It features a Silver dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-3ac9f4bf1522]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1979

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