Seiko Cal. 6397 - 844

Seiko 6397-844

The 6397-844 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6397 caliber with 33j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-f532e691bd63]

Also known as: Bullhead, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
34mm
Case Thickness
11.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
30m
Dial Color
Cream
Jewels
33j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1966

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seikata-wm-f532e691bd63