Seiko Cal. 6690 - 644

Seiko 6690-644

The Seiko 6690-644 represents an important milestone in Seiko's 1995 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-9848589202ab]

Also known as: Samurai, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
40mm
Case Thickness
13.1mm
Lug Width
18mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Silver
Jewels
28j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1995

Related Models

seikata-wm-9848589202ab