Seiko Cal. 6661 - 856

The 6661-856 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6661 caliber with 36j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-0351e184d1f2]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1970

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