Seiko Cal. 4431 - 449

The Seiko 4431-449 represents an important milestone in Seiko's 1986 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-bc3666efcb7f]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1986

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