Seiko Cal. 7131 - 183

The Seiko 7131-183 represents an important milestone in Seiko's 1977 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-b5ff05ea75cf]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1977

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