Seiko Cal. 6398 - 643

Seiko 6398-643

The Seiko 6398-643 represents an important milestone in Seiko's 1977 lineup. Powered by the 6398 caliber with 24j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-71ea7b9be7f7]

Also known as: Shogun, Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
46mm
Case Thickness
10.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
24j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1977

Related Models

seikata-wm-71ea7b9be7f7