Seiko Cal. 3897 - 494

The Seiko 3897-494 represents an important milestone in Seiko's 1987 lineup. Powered by the 3897 caliber with 23j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-cef374fc1f02]

Also known as: Tuna, Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1987

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