Seiko Cal. 6658 - 694

Seiko 6658-694

The Seiko 6658-694 represents an important milestone in Seiko's 1973 lineup. Powered by the 6658 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-472d3aed33f9]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
37mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
200m
Dial Color
Navy
Jewels
34j
Frequency
28,800 bph
Power Reserve
37 hours
Year
1973

Related Models

seikata-wm-472d3aed33f9