Seiko Cal. 4423 - 354

The Seiko 4423-354 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-dc04ca7226d9]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1974

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