Seiko Cal. 7023 - 857

This Spring Drive model from 1977 features a 39mm Gold-Plated case. Powered by the 7023 caliber with 23j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-2c40add63210]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1977

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