Seiko Cal. 6180 - 531

The Seiko 6180-531 represents an important milestone in Seiko's 1972 lineup. It features a Cream dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-6c411b4d1b6c]

Also known as: Monster, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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