Seiko Cal. 4423 - 188

This Automatic model from 1996 features a 36mm PVD Black case. Powered by the 4423 caliber with 22j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-611321a6093a]

Also known as: Tuna, Pogue

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1996

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