Seiko Cal. 3897 - 508

The 3897-508 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3897 caliber with 25j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-e5aa8d00e7ca]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1966

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