Seiko Cal. 6691 - 440

The 6691-440 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6691 caliber with 23j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-b071b7fac956]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1973

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