Seiko Cal. 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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