Seiko Cal. 3890 - 677

The 3890-677 is a sought-after Solar piece from Seiko's golden era. Powered by the 3890 caliber with 28j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-d0638b2a9a32]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1989

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