Seiko Cal. 4556 - 641

The 4556-641 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-1f4725af35b0]

Also known as: Monster, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1992

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