Seiko Cal. 3840 - 189

The 3840-189 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3840 caliber with 30j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-45a8b7424d34]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1982

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