Seiko Cal. 6656 - 711

The 6656-711 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6656 caliber with 36j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-197d1e696b3f]

Also known as: Monster, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1966

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