Seiko Cal. 6398 - 583

Seiko 6398-583

This Quartz model from 1966 features a 35mm PVD Black case. Powered by the 6398 caliber with 31j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-28334ba40784]

Also known as: Monster, Helmet

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
35mm
Case Thickness
10.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Green
Jewels
31j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1966

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seikata-wm-28334ba40784