Seiko Cal. 3897 - 715

The Seiko 3897-715 represents an important milestone in Seiko's 1994 lineup. Powered by the 3897 caliber with 20j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-6bf642020ddd]

Also known as: Golden Tuna, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1994

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