Seiko Cal. 3865 - 847

The 3865-847 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3865 caliber with 22j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-20f3a316878b]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1974

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