Seiko Cal. 5616 - 921

The 5616-921 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5616 caliber with 36j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-ad9fae8244a3]

Also known as: Tuna, Navigator

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1972

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