Seiko Cal. 4423 - 454

The Seiko 4423-454 represents an important milestone in Seiko's 1965 lineup. Powered by the 4423 caliber with 32j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-704267def6eb]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1965

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