Seiko Cal. 6686 - 644

Seiko 6686-644

This Solar model from 1971 features a 37mm Gold-Plated case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-7d9830286c41]

Also known as: Monster

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Silver
Jewels
17j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1971

Related Models

seikata-wm-7d9830286c41