Seiko Cal. 7123 - 930

The Seiko 7123-930 represents an important milestone in Seiko's 1978 lineup. Powered by the 7123 caliber with 22j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-882f5b76abed]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1978

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