Seiko Cal. 3856 - 781

The 3856-781 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3856 caliber with 24j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-86fdd116ad7f]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

36mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1968

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