Seiko Cal. 4423 - 957

The Seiko 4423-957 represents an important milestone in Seiko's 1965 lineup. Powered by the 4423 caliber with 33j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-bcbc082b8d1c]

Also known as: Shogun, Navigator

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

33j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1965

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