Seiko Cal. 4511 - 310

Seiko 4511-310

This Spring Drive model from 1979 features a 34mm PVD Black case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-5ecadde549a2]

Also known as: Sumo, Sea Horse

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
12.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
180m
Dial Color
Champagne
Jewels
20j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1979

Related Models

seikata-wm-5ecadde549a2