Seiko Cal. 6394 - 388

Seiko 6394-388

This Automatic model from 1983 features a 40mm PVD Black case. Powered by the 6394 caliber with 21j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-34573950c1e3]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1983

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seikata-wm-34573950c1e3