Seiko Cal. 4490 - 850

The Seiko 4490-850 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-1e356b103b46]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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