Seiko Cal. 7178 - 684

Seiko 7178-684

This Automatic model from 1990 features a 36mm Two-Tone case. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-7277c0f83492]

Also known as: Sumo, Navigator

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1990

Related Models

seikata-wm-7277c0f83492