Seiko Cal. 4487 - 339

This Solar model from 1969 features a 42mm Titanium case. Powered by the 4487 caliber with 21j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-77da80cc0f9e]

Also known as: Panda, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1969

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