Seiko Cal. 6311 - 630

Seiko 6311-630

This Automatic model from 1980 features a 43mm Gold-Plated case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ad566194d912]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1980

Related Models

seikata-wm-ad566194d912