Seiko Cal. 7123 - 940

The Seiko 7123-940 represents an important milestone in Seiko's 1977 lineup. Powered by the 7123 caliber with 25j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-3c3807b95cf6]

Also known as: Tuna, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

25j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1977

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