Seiko Cal. 4417 - 450

The Seiko 4417-450 represents an important milestone in Seiko's 1988 lineup. Powered by the 4417 caliber with 17j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-89da672c5f4e]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1988

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