Seiko Cal. 4523 - 712

This Automatic model from 1998 features a 45mm PVD Black case. With its 21mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-96bbc4217c5b]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1998

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