Seiko Cal. 7131 - 475

The Seiko 7131-475 represents an important milestone in Seiko's 1973 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-5dc1206d0e55]

Also known as: Goldfeather

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1973

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