Seiko Cal. 6389 - 321

Seiko 6389-321

The Seiko 6389-321 represents an important milestone in Seiko's 1971 lineup. Powered by the 6389 caliber with 18j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-7929037c7711]

Also known as: Silverwave, Sea Horse

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Black
Jewels
18j
Frequency
36,000 bph
Power Reserve
43 hours
Year
1971

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seikata-wm-7929037c7711