Seiko Cal. 3890 - 870

This Solar model from 1977 features a 41mm Stainless Steel case. Powered by the 3890 caliber with 23j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-dd715af60f90]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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