Seiko Cal. 5660 - 409

Seiko 5660-409

This Automatic model from 1993 features a 37mm Titanium case. With its 22mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-70daffcb8dc7]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
37mm
Case Thickness
9.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
67 hours
Year
1993

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seikata-wm-70daffcb8dc7