Seiko Cal. 5688 - 312

Seiko 5688-312

This Automatic model from 1970 features a 44mm PVD Black case. With its 21mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-3117f072d2eb]

Also known as: Bullhead, Rally

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
44mm
Case Thickness
13.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
150m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1970

Related Models

seikata-wm-3117f072d2eb