Seiko Cal. 6661 - 792

This Hand-Winding model from 1977 features a 41mm PVD Black case. Powered by the 6661 caliber with 17j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-74a21733bce0]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1977

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