Seiko Cal. 3816 - 712

The 3816-712 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3816 caliber with 17j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-248abf9a1bb7]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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