Seiko Cal. 4516 - 412

This Spring Drive model from 1972 features a 46mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-c4321e14d810]

Also known as: Monster, Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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