Seiko Cal. 3897 - 520

The Seiko 3897-520 represents an important milestone in Seiko's 1988 lineup. Powered by the 3897 caliber with 31j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-e4dbc572dc8a]

Also known as: Panda

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1988

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