Seiko Cal. 5678 - 631

Seiko 5678-631

This Hand-Winding model from 1969 features a 45mm Hardlex-Coated Steel case. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-80fa11d4b985]

Also known as: Flighty

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
8.3mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
60m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1969

Related Models

seikata-wm-80fa11d4b985