Seiko Cal. 6690 - 539

Seiko 6690-539

This Automatic model from 1989 features a 42mm Stainless Steel case. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-7553c38df104]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Black
Jewels
19j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1989

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seikata-wm-7553c38df104