Seiko Cal. 6615 - 643

Seiko 6615-643

This Solar model from 1968 features a 35mm Gold-Plated case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2aa141160e70]

Also known as: Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
12.6mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
22j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1968

Related Models

seikata-wm-2aa141160e70