Seiko Cal. 6311 - 820

The 6311-820 is a sought-after Solar piece from Seiko's golden era. Powered by the 6311 caliber with 25j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-b6eb8cfd1137]

Also known as: Goldfeather, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1966

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