Seiko Cal. 6391 - 338

Seiko 6391-338

This Solar model from 1971 features a 41mm Stainless Steel case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-67e60af03b69]

Also known as: Helmet, Golden Tuna

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
41mm
Case Thickness
10.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
29j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1971

Related Models

seikata-wm-67e60af03b69