Seiko Cal. 6641 - 316

Seiko 6641-316

This Solar model from 1975 features a 46mm Hardlex-Coated Steel case. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-1753747e0dd5]

Also known as: Crown

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.6mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1975

Related Models

seikata-wm-1753747e0dd5