Seiko Cal. 7131 - 236

Released in 1978, the Cal. 7131 with design code 236 was part of Seiko's domestic market collection. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-ee47738cc26e]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1978

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