Seiko Cal. 6687 - 770

Seiko 6687-770

This Quartz model from 1988 features a 36mm Hardlex-Coated Steel case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-753e820fb487]

Also known as: Silverwave

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1988

Related Models

seikata-wm-753e820fb487