Seiko Cal. 6687 - 541

Seiko 6687-541

This Solar model from 1968 features a 45mm Gold-Plated case. Powered by the 6687 caliber with 30j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-86dd10b0dc21]

Also known as: World Timer, Crown

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
15.0mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
120m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1968

Related Models

seikata-wm-86dd10b0dc21