Seiko Cal. 6316 - 991

Seiko 6316-991

This Hand-Winding model from 1971 features a 46mm Hardlex-Coated Steel case. With its 21mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-7e2026dce7f7]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1971

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