Seiko Cal. 6378 - 257

Seiko 6378-257

This Automatic model from 1972 features a 45mm Gold-Plated case. With its 22mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-9b3d75eab545]

Also known as: Baby Tuna

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
11.8mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1972

Related Models

seikata-wm-9b3d75eab545