Seiko Cal. 6397 - 909

Seiko 6397-909

The Seiko 6397-909 represents an important milestone in Seiko's 1991 lineup. Powered by the 6397 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-5c3c8a64e32d]

Also known as: Monster, Navigator

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
34mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Silver
Jewels
20j
Frequency
28,800 bph
Power Reserve
49 hours
Year
1991

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