Seiko Cal. 5660 - 616

Seiko 5660-616

The 5660-616 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5660 caliber with 18j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-e1aa5078c06c]

Also known as: Turtle, Silverwave

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1988

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