Seiko Cal. 4578 - 116

Released in 1971, the Cal. 4578 with design code 116 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-a0fcf2dd35cc]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1971

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