Seiko Cal. 3897 - 831

The Seiko 3897-831 represents an important milestone in Seiko's 1996 lineup. Powered by the 3897 caliber with 35j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-91c3cfa3c234]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1996

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