Seiko Cal. 4490 - 193

The Seiko 4490-193 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-f6889e4489d4]

Also known as: Monster, World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1969

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