Seiko Cal. 6657 - 766

Seiko 6657-766

This Solar model from 1995 features a 39mm Stainless Steel case. It features a Navy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-f9838f2185da]

Also known as: Helmet, Crown

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
12.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Navy
Jewels
33j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1995

Related Models

seikata-wm-f9838f2185da