Seiko Cal. 4490 - 542

The 4490-542 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-ddca5c5ba0ad]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1987

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