Seiko Cal. 4556 - 664

The 4556-664 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-bf34ad3f6ff2]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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