Seiko Cal. 4448 - 918

The Seiko 4448-918 represents an important milestone in Seiko's 1971 lineup. Powered by the 4448 caliber with 26j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-8583a7c25316]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1971

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