Seiko Cal. 6658 - 810

Seiko 6658-810

The 6658-810 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-5075528ac3b3]

Also known as: Helmet, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
9.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
150m
Dial Color
Navy
Jewels
35j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1975

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seikata-wm-5075528ac3b3