Seiko Cal. 7131 - 639

Seiko 7131-639

This Solar model from 1980 features a 36mm Stainless Steel case. With its 21mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-fd3fb9efa713]

Also known as: Bellmatic, Navigator

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
90m
Dial Color
White
Jewels
24j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1980

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