Seiko Cal. 3894 - 390

The 3894-390 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3894 caliber with 22j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-23d847b1b790]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1973

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