Seiko Cal. 7131 - 407

The Seiko 7131-407 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-b5cb9b9ce3d9]

Also known as: Samurai, Rally

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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