Seiko Cal. 4421 - 989

The Seiko 4421-989 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-03fa18e20693]

Also known as: Panda, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

19j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1968

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