Seiko Cal. 3897 - 386

The 3897-386 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3897 caliber with 32j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-f0698eecda7e]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1995

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