Seiko Cal. 6631 - 818

Seiko 6631-818

This Kinetic model from 1988 features a 40mm Hardlex-Coated Steel case. With its 21mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-1959248da004]

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Silver
Jewels
30j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1988

Related Models

seikata-wm-1959248da004