Seiko Cal. 6378 - 463

Seiko 6378-463

This Automatic model from 1971 features a 38mm Gold-Plated case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-6305018b41d7]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
8.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
100m
Dial Color
Green
Jewels
35j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1971

Related Models

seikata-wm-6305018b41d7