Seiko Cal. 4556 - 782

Released in 1969, the Cal. 4556 with design code 782 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-566d71881efc]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1969

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