Seiko Cal. 6646 - 267

The 6646-267 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6646 caliber with 18j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-4dae39ee6898]

Also known as: Monster, Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

11.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1979

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