Seiko Cal. 3891 - 513

Seiko 3891-513

This Hand-Winding model from 1984 features a 39mm Hardlex-Coated Steel case. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-347c5122ba1d]

Also known as: Tuna, Crown

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
13.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Silver
Jewels
36j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1984

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seikata-wm-347c5122ba1d