Seiko Cal. 4570 - 850

The 4570-850 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-bdbfe024e937]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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