Seiko Cal. 4523 - 123

This Spring Drive model from 1985 features a 41mm Hardlex-Coated Steel case. With its 22mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-9c555dacd9fa]

Also known as: Monster, Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1985

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