Seiko Cal. 7131 - 521

This Solar model from 1970 features a 40mm Stainless Steel case. With its 21mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-660ed0a5b5c9]

Also known as: Turtle, Shogun

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1970

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