Seiko Cal. 6648 - 243

The 6648-243 is a sought-after Solar piece from Seiko's golden era. Powered by the 6648 caliber with 26j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-1efb81898dfa]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1993

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