Seiko Cal. 7131 - 354

This Hand-Winding model from 1979 features a 41mm Titanium case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-62a0d65ec7eb]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

White

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1979

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