Seiko Cal. 4556 - 288

Released in 1972, the Cal. 4556 with design code 288 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-d0dcce0163bc]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1972

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