Seiko Cal. 3864 - 181

The 3864-181 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3864 caliber with 21j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-8dd996fe9e6a]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Champagne

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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