Seiko Cal. 3897 - 989

The Seiko 3897-989 represents an important milestone in Seiko's 1984 lineup. Powered by the 3897 caliber with 22j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-96519bdd9e83]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Champagne

Jewels

22j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

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