Seiko Cal. 6688 - 931

Seiko 6688-931

This Solar model from 1974 features a 40mm Gold-Plated case. Powered by the 6688 caliber with 29j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-d96c93de2e04]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
15.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1974

Related Models

seikata-wm-d96c93de2e04