Seiko Cal. 3840 - 197

The 3840-197 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3840 caliber with 34j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-189c41e8748c]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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