Seiko Cal. 6389 - 581

The 6389-581 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6389 caliber with 29j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-f24ac3eaab02]

Also known as: Bellmatic, Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1972

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