Seiko Cal. 4490 - 993

The Seiko 4490-993 represents an important milestone in Seiko's 1968 lineup. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-46b60f127a7b]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1968

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