Seiko Cal. 6631 - 750

Seiko 6631-750

This Quartz model from 1983 features a 35mm Two-Tone case. With its 21mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-366b17e3fef2]

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
35mm
Case Thickness
8.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Navy
Jewels
31j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1983

Related Models

seikata-wm-366b17e3fef2