Seiko Cal. 7138 - 931

Seiko 7138-931

This Solar model from 1970 features a 43mm Hardlex-Coated Steel case. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-8f7b375fc940]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
8.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
190m
Dial Color
Burgundy
Jewels
21j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1970

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seikata-wm-8f7b375fc940