Seiko Cal. 6397 - 435

The Seiko 6397-435 represents an important milestone in Seiko's 1991 lineup. Powered by the 6397 caliber with 26j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-bc276d0ec5c9]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

15.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1991

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