Seiko Cal. 3897 - 331

The Seiko 3897-331 represents an important milestone in Seiko's 1989 lineup. With its 18mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-39a0bfee7504]

Also known as: Panda, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1989

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