Seiko Cal. 3870 - 898

This Solar model from 1979 features a 42mm PVD Black case. Powered by the 3870 caliber with 20j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-8e149827ca60]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1979

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