Seiko Cal. 3897 - 101

The 3897-101 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3897 caliber with 24j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-fa10878ef7ce]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1988

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