Seiko Cal. 3817 - 997

Seiko 3817-997

The 3817-997 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-d41b68389f2d]

Also known as: Bullhead, Arnie

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
22j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1973

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