Seiko Cal. 4512 - 556

Released in 1969, the Cal. 4512 with design code 556 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-3b6714f5b091]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1969

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