Seiko Cal. 5661 - 722

Seiko 5661-722

The 5661-722 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 14.2mm profile, it sits comfortably on most wrists. [seikata-wm-b2da7eeffdac]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
14.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
White
Jewels
23j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1966

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