Seiko Cal. 6648 - 160

The 6648-160 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6648 caliber with 17j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-ea5ee97b1c15]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1974

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