Seiko Cal. 7091 - 561

The 7091-561 is a sought-after Quartz piece from Seiko's golden era. Powered by the 7091 caliber with 22j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-76fa2153be42]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Cream

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1978

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