Seiko Cal. 3897 - 256

Seiko 3897-256

The 3897-256 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 54 hours power reserve. [seikata-wm-e7116dd48bcd]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
9.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1968

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