Seiko Cal. 3856 - 351

The 3856-351 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3856 caliber with 36j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-4762d112af1d]

Also known as: Sumo, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1974

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