Seiko Cal. 3897 - 972

The Seiko 3897-972 represents an important milestone in Seiko's 1988 lineup. Powered by the 3897 caliber with 19j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-8584bb221dff]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1988

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