Seiko Cal. 4416 - 657

The 4416-657 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4416 caliber with 20j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-5d3e6b046c75]

Also known as: Helmet, Sea Horse

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1977

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