Seiko Cal. 6648 - 273

The 6648-273 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6648 caliber with 24j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-7abc8c85376b]

Also known as: Sumo, Shogun

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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