Seiko Cal. 3897 - 194

The Seiko 3897-194 represents an important milestone in Seiko's 1972 lineup. Powered by the 3897 caliber with 33j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-2524d2394218]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

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