Seiko Cal. 4431 - 826

Released in 1983, the Cal. 4431 with design code 826 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-3e5ca22db0ff]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1983

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