Seiko Cal. 4531 - 789

The 4531-789 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-cbad1dffd6bd]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

8.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1968

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