Seiko Cal. 6389 - 581

Seiko 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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