Seiko Cal. 7123 - 928

The Seiko 7123-928 represents an important milestone in Seiko's 1971 lineup. Powered by the 7123 caliber with 25j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-667e7dc8d5db]

Also known as: Sumo, Silverwave

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Silver

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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