Seiko Cal. 4423 - 136

The 4423-136 is a sought-after Hand-Winding piece from Seiko's golden era. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-3717937b89f8]

Also known as: Tuna, Pogue

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1987

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