Seiko Cal. 7131 - 389

The Seiko 7131-389 represents an important milestone in Seiko's 1974 lineup. It features a White dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-5871d434092a]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

36j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1974

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