Seiko Cal. 6641 - 652

Seiko 6641-652

This Spring Drive model from 1988 features a 39mm Gold-Plated case. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5483f556d441]

Also known as: Helmet, UFO

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
8.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1988

Related Models

seikata-wm-5483f556d441