Seiko Cal. 6654 - 778

The 6654-778 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6654 caliber with 32j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-b3e2b004bbec]

Also known as: Bullhead, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1973

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