Seiko Cal. 3898 - 350

The 3898-350 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3898 caliber with 23j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-09e8eebfd5df]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1969

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