Seiko Cal. 6398 - 799

Seiko 6398-799

The Seiko 6398-799 represents an important milestone in Seiko's 1977 lineup. Powered by the 6398 caliber with 36j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-1606e2fa08f4]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Solar
Case Material
Titanium
Case Width
44mm
Case Thickness
10.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Cream
Jewels
36j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1977

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