Seiko Cal. 4453 - 978

The 4453-978 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-92b688ef5022]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1976

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