Seiko Cal. 6631 - 641

Seiko 6631-641

This Solar model from 1990 features a 36mm Gold-Plated case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-76d052c56f81]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.2mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Navy
Jewels
24j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1990

Related Models

seikata-wm-76d052c56f81