Seiko Cal. 7023 - 457

The Seiko 7023-457 represents an important milestone in Seiko's 1966 lineup. Powered by the 7023 caliber with 18j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-6f0bb71fe1be]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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