Seiko Cal. 4431 - 676

Released in 1978, the Cal. 4431 with design code 676 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-e62c32171a4d]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1978

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