Seiko Cal. 4489 - 921

The Seiko 4489-921 represents an important milestone in Seiko's 1968 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-db0bd005f224]

Also known as: Turtle, Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

36mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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