Seiko Cal. 6648 - 166

Released in 1991, the Cal. 6648 with design code 166 was part of Seiko's domestic market collection. Powered by the 6648 caliber with 23j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-6cd09fbb1908]

Also known as: Bellmatic, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1991

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