Seiko Cal. 6648 - 212

The 6648-212 is a sought-after Solar piece from Seiko's golden era. Powered by the 6648 caliber with 22j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-4af191136fe4]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1971

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