Seiko Cal. 5671 - 678

Seiko 5671-678

This Automatic model from 1965 features a 46mm Hardlex-Coated Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-5441e90d139d]

Also known as: Monster, Golden Tuna

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Silver
Jewels
33j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1965

Related Models

seikata-wm-5441e90d139d