Seiko Cal. 7186 - 931

Seiko 7186-931

This Hand-Winding model from 1987 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-c19c68f66be2]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
White
Jewels
17j
Frequency
28,800 bph
Power Reserve
51 hours
Year
1987

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seikata-wm-c19c68f66be2