Seiko Cal. 4431 - 616

The 4431-616 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 130m of water resistance. [seikata-wm-17dd0994aa1d]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1978

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