Seiko Cal. 7131 - 230

The Seiko 7131-230 represents an important milestone in Seiko's 1983 lineup. It features a Black dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-4b8d879e4afe]

Also known as: Samurai, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1983

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