Seiko Cal. 5687 - 427

Seiko 5687-427

This Automatic model from 1970 features a 40mm PVD Black case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-908c20ae0380]

Also known as: UFO, Sportsmatic

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
8.0mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
180m
Dial Color
Black
Jewels
21j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1970

Related Models

seikata-wm-908c20ae0380