Seiko Cal. 4490 - 436

The 4490-436 is a sought-after Spring Drive piece from Seiko's golden era. With its 19mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-f5ae41433ad2]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1979

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