Seiko Cal. 3856 - 477

The 3856-477 is a sought-after Solar piece from Seiko's golden era. Powered by the 3856 caliber with 21j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-2216eb0fce0a]

Also known as: Sumo, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1981

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