Seiko Cal. 7131 - 509

Released in 1985, the Cal. 7131 with design code 509 was part of Seiko's domestic market collection. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-ce227be881dc]

Also known as: Bullhead, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1985

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