Seiko Cal. 6240 - 640

Seiko 6240-640

This Solar model from 1977 features a 37mm Titanium case. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-4d7b52062e56]

Also known as: Silverwave, Bellmatic

Specifications

Movement
Solar
Case Material
Titanium
Case Width
37mm
Case Thickness
12.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
White
Jewels
22j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1977

Related Models

seikata-wm-4d7b52062e56