Seiko Cal. 6663 - 747

Seiko 6663-747

This Solar model from 1977 features a 38mm PVD Black case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-34f3a436d43c]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
38mm
Case Thickness
10.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Silver
Jewels
26j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1977

Related Models

seikata-wm-34f3a436d43c