Seiko Cal. 6388 - 625

Seiko 6388-625

This Quartz model from 1973 features a 46mm Two-Tone case. With its 21mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-ed75983884c9]

Also known as: Sumo, World Timer

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
46mm
Case Thickness
12.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
110m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1973

Related Models

seikata-wm-ed75983884c9