Seiko Cal. 3897 - 713

The Seiko 3897-713 represents an important milestone in Seiko's 1989 lineup. Powered by the 3897 caliber with 31j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-610498867af9]

Also known as: Tuna, Goldfeather

Specifications

Movement

Solar

Case Material

Titanium

Case Width

43mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1989

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