Seiko Cal. 4450 - 922

The Seiko 4450-922 represents an important milestone in Seiko's 1987 lineup. Powered by the 4450 caliber with 30j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-69fe86efbc46]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1987

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