Seiko Cal. 6648 - 352

The 6648-352 is a sought-after Solar piece from Seiko's golden era. Powered by the 6648 caliber with 20j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-cb8241fbb5a4]

Also known as: Shogun, Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1977

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