Seiko Cal. 4420 - 137

This Automatic model from 1983 features a 44mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-5424358bf444]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1983

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