Seiko Cal. 5660 - 661

Seiko 5660-661

The 5660-661 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-fe9cd623c065]

Also known as: Sportsmatic

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Green
Jewels
34j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1970

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