Seiko Cal. 3897 - 630

The Seiko 3897-630 represents an important milestone in Seiko's 1990 lineup. Powered by the 3897 caliber with 33j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-9d8e48bdbae0]

Also known as: Samurai, Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

33j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1990

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