Seiko Cal. 6651 - 670

The 6651-670 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6651 caliber with 30j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-28dcf8e5f7a6]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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