Seiko Cal. 4490 - 509

This Solar model from 1965 features a 42mm PVD Black case. Powered by the 4490 caliber with 30j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-f767b81f28d7]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1965

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